Funny Geek T-Shirts

These funny t-shirts have one thing in common -- they were designed for unique geeks! The quirky original designs for cool nerdy folks are great conversation starters and sure to inspire laughs and good times! Invented elements and new meanings for geeky acronyms are among the great funny geek t-shirts here. We've also got a selection of n00b t-shirts and geek baby designs for nerdy kids and their geeky parental units. Have fun exploring these funny geek t-shirts!

Optimist or Pessimist? Funny Glass Full T-Shirt

Is the glass half empty, or half full? An optimist and a pessimist allegedly would have different answers, but in reality, the glass is always completely full, as this funny science geek t-shirt explains. This graphic design shows a simple glass of water. The half that is full...

I Wear This Periodically Outfit Science Geek Periodic Table T-Shirt – Nerd science freaks who loves to invent and has a passion for chemistry elements and always wanted to visit science fair. Grab this one of a... View on Amazon
Pumpkin Pie Math Lover Halloween Thanksgiving Pi D T-Shirt – Pumpkin Pie Math Lover Halloween Thanksgiving Pi Day Costume View on Zazzle
Funny Math Geek Shirt-16th Birthday, 16 Years Old Boys Girls – This cool math tee shirt is perfect for math students, math tutors or teens boys, girls, friends who love calculus algebra, mathematics, science joke, pun to... View on Amazon
May the (F=mdv/dt) Be with You Funny Physics Science TShirt – May the (F=m*dv/dt) Be with You Funny Physics Science TShirt. Funny Physics Science Geek T-shirt Nerd Sarcastic. We hope you enjoy your purchase and come back... View on Amazon
Oh Chemistree Chemist Tree Knit Look Ugly Christma T-Shirt – Oh Chemistree! Merry xmas ugly x-mas sweater listen to christmas songs and spirit around christmas tree. Geeky nerdy clever ugly xmas x-mas knit funny christmas pun... View on Zazzle
Funny Nerdy Pumpkin Pi Halloween Costume Math Teac T-Shirt – MathWare is designed by a mathematics teacher and genuine nerd for teachers, students, nerds, geeks, science lovers, gamers, hackers, and people who love puns, jokes, and sarcasm. View on Zazzle
Actually It Is Rocket Science Chemistry and T-Shirt – Actually It Is Rocket Science Chemistry and Funny, unique, pretty, or personal, it's your choice for the perfect coffee mug. The outside of the mug features... View on Zazzle
Come To The Math Side We Have Pi - Math Geek & Nerd T-Shirt – Come To The Math Side We Have Pi is a funny Math nerd/geek Pi Day shirt for kids, youth, boys, girls, men, and women. math teacher... View on Amazon
Marvel Avengers and Guardians of the Galaxy Christmas Tree T-Shirt – Official Marvel Merchandise for Holiday; Avengers Holiday Tee Shirt for Men, Women, Boys, and Girls; Lightweight, Classic fit, Double-needle sleeve and bottom hem. View on Amazon
Science research award gift T-Shirt – Science research award gift Are the funny text Why Atoms So Good At Lying? Because They Make Up Everything is a cool gift idea for teachers, nerds and geeks. View on Zazzle
Ho-Ho-Ho - Holiday Chemistry, Funny Geeky Science T-Shirt – Get into holiday spirit with this festive chemistry design for science geeks and nerds. Chemical elements from periodic table forming Santa's Ho-Ho-Ho with a molecules ornament make a festive Christmas design. View on Zazzle
Calculus Actually Its Rocket Science Funny Math T-Shirt – Funny Math science school nerd t-shirt for any young math genius or geek with a good sense of humor. The funny saying is "Calculus - Actually... View on Zazzle
Nerdy Number 73 Blue Circle Math Science Teacher Geek Gift T-Shirt – The Perfect Gift for Men, Women, math teachers, algebra teachers, nerds, geeks on Holidays and Special Occasions. Great gift to buy for back to school, Christmas,... View on Amazon
Nerdy Euclid Euler Gauss Descartes Leibniz Fibonac T-Shirt – MathWare is designed by a mathematics teacher and genuine nerd for teachers, students, nerds, geeks, science lovers, gamers, hackers, and people who love puns, jokes, and sarcasm. View on Zazzle
NASA Actually It Is Rocket Science T-Shirt – Officially Licensed NASA T-Shirt; 14NASA024; Lightweight, Classic fit, Double-needle sleeve and bottom hem. View on Amazon
Science Water funny saying T-Shirt – Science Water funny saying with the text If You Like Water Then You Like 75% Of Me is a cool gift idea for nerds, geeks, teachers and researchers. View on Zazzle
404 Error Christmas Sweater Not Found Funny Geeky – The graphic design features pixelated, retro, old school green text and it is suitable for men and women. The best Christmas gift idea for proud Technical... View on Zazzle
Funny Math Ninja for Math Nerds & Geeks Math Experts T-Shirt – Mathematical genius gifts, Great gift for your favorite mathematics nerd who loves algebra, calculus, statistics to wear in the classroom or at school, college during exams.Cool... View on Amazon
Pi Spiral Novelty Math Geek 3.14 Pi Day T-Shirt – Celebrate Pi Day in style on March 14th. Fun nerdy geeky math pi day gift for math majors, math teachers, science nerds, math geeks, math club... View on Amazon
Kids Future Rocket Scientist NASA Youth Tshirt T-Shirt – A great tee shirt to encourage a kid interested in STEM, STEAM, Outer Space, Astronomy, Rockets, telescopes, Science, Math, and Engineering!; Makes a great christmas or... View on Amazon
Vintage Astronomer Sun Moon Stars Planets Astronom T-Shirt – Get this cool galaxy design art! Stand out from the rest with this space design and imagine how awesome you are. View on Zazzle
Sarcasm Periodic Table Element Shirt Weird Science Joke Gift T-Shirt – Your search for Weird science shirt is over periodic table funny shirt will sure be a hit as everybody love science jokes If you have humor... View on Amazon
Retro Space Stars Sun Moon Constellation T-Shirt – Get this cool galaxy design art! Stand out from the rest with this space design and imagine how awesome you are. View on Zazzle
PI Day T Shirt Atom PI Math Geek Science Lovers T-Shirt – Atom PI Shirt. Math Teacher or Math Geek Birthday Gift. Perfect outfit for someone who loves PI and likes Science.; Makes a great gift idea for... View on Amazon
Star Wars Vader Open Sleigh T-Shirt – Star Wars Officially Licensed Apparel; 15STRW1075; Lightweight, Classic fit, Double-needle sleeve and bottom hem. View on Amazon
Algebra Dance Funny Graph Figures Math Equation T-shirt – Sketching Graphs of Mathematic Functions. Most Famous and Most Used Algebra Equation Graphs with Funny Representation; Great Gift Idea for Teachers and Students as well as... View on Amazon
Rocket Science Look Easy T-Shirt – Astronauts, scientists and engineers joke that rocket science has been making everything else look easy since 1958. Check out this funny custom design on tees, shirts, mugs, cases, gifts and apparel. View on Zazzle
Funny Science Nerd Duck Rabbit Physics Math Geek Gift T-Shirt – this funny science nerd design with a duck and rabbit is the perfect gift for math nerds, mathematicians, physicists, scientists, teachers and students.; Lightweight, Classic fit, Double-needle sleeve and bottom hem. View on Amazon
What Part Of Don't You Understand | Funny Math Teacher Gift T-Shirt – Calling all mathematicians and arithmeticians students, teachers and professors; have this complex engineering art and be a proud mechanical engineer! Men, women, dads and moms who... View on Amazon
Get Real Be Rational Funny Math Geek Sarcastic Funny T Shirt XL Black – AWESOME FIT: Fits True to size, great fit and feel - Wash with cold water, inside out.; TOP QUALITY: Professional screen printed and designed in the... View on Amazon
Funny Math Geek Shirt-15th Birthday 15 Years Old Boys, Girls – This math pun tee top is perfect for math students, math tutors or teens boy, girl, friend who like algebra, mathematics, science joke to wear daily;... View on Amazon
Pluto Never Forget - Funny Science Geek & Space Gift T-Shirt – Are you a Science Nerd, Planet Geek, Astronomy Nerd or Space Lover? Are you looking for a Christmas Gift or Birthday Gift for a Science Teacher... View on Amazon
Star Wars Chewbacca Glamor Shot Graphic T-Shirt – Officially Licensed Star Wars Apparel; Hilarious Chewbacca Hair Tee, 14STRW608; Lightweight, Classic fit, Double-needle sleeve and bottom hem. View on Amazon
It's Not Rocket Science T-Shirt – Funny Black and White Typography T-Shirt with the text: It's not rocket science (unless what you're doing is launching rockets). This shirt is the perfect gift for all your geeky friends View on Zazzle
My Password Is The Last 8 Digits Of Pi Funny Nerd Geek Math T-Shirt – If you are a mathematician or if you love science like math, then this cool math design is just for you. If you are a math... View on Amazon
Marvel Holiday Super Heroes Christmas Tree T-Shirt – Official Marvel Merchandise; Marvel Holiday T-Shirts and Tank Tops for Men, Women, Boys, and Girls; Lightweight, Classic fit, Double-needle sleeve and bottom hem. View on Amazon