Description: Once bacon has been mentioned, does more really need to be said?

Description: Science nerds love chemistry humor. Show your love for the element tungsten with the joke on this cute and funny T-shirt.

Description: Meh. Some days, you're just not expecting that much...or you're not feeling especially picky...perhaps you don't want to be too offensive...or maybe you're just sarcastic. Whatever the source of your apathy, this funny emoji T-shirt should fit the bill.

Description: Sarcasm is sometimes the best way to deal with the drama of annoying people who just need to deal with it – buy this funny T-shirt to say what needs to be said

Description: Sarcasm is sometimes the best way to deal with the drama of annoying people who just need to deal with it – buy this funny T-shirt to say what needs to be said

Description: All references to the ancient Hydra organization from Marvel Comics disappeared around the time of the Renaissance. Perhaps the real superhero was Leonardo da Vinci, exposing them and driving them into hiding -- we see here some of his lost notes, with a diagram similar to the Vitruvian man. Get this funny T-shirt for your favorite comic book geek (even if it's you).

Description: Meh. Some days, you're just not expecting that much...or you're not feeling especially picky...perhaps you don't want to be too offensive...or maybe you're just sarcastic. Whatever the source of your apathy, this funny emoji T-shirt should fit the bill.

Description: Science nerds love chemistry & biology humor. Show your love for the element carbon with the joke on this cute and funny T-shirt.

Description: Whatever your fandom – anime, science fiction, Disney, fantasy, superheroes, video games, or the BBC – geeks have a different view on aging and their inner child. Buy this funny T-shirt for your favorite geek (even if it's you).

Description: Science nerds love chemistry humor. Show your love for the element mercury with the joke on this cute and funny T-shirt.

Description: K-9 from BBC Doctor Who, in an awesome TARDIS and Tom Baker scarf mash-up with the Nyan Cat Internet meme. Buy this funny T-shirt for your favorite science fiction geek, British television fan, or computer nerd (even if it's you).

Description: Irony, sarcasm, and confusing other people ... just some of the joys of being an English nerd

Description: May the Star Wars movie quotes be with you! Perfect for any science fiction geek and fan of Jedi Master Yoda

Description: Benedict Cumberbatch discovered as Marvel superhero Doctor Strange that not even the study of greater cosmic truth precludes mankind's basic need for wifi! Buy this funny T-shirt for your favorite comic book geek, computer nerd, or just plain Internet addict (even if it's you).

Description: Science nerds love chemistry humor. Show your love for the element radium and for Marie Curie with the joke on this cute and funny T-shirt.

Description: Science nerds love chemistry & biology humor. Show your love for the element potassium with the joke on this cute and funny T-shirt.

Description: Science nerds love chemistry & biology humor. Show your love for the element oxygen with the joke on this cute and funny T-shirt.

Description: Science nerds love chemistry humor. Show your love for the element hydrogen with the joke on this cute and funny T-shirt.

Description: Sometimes, a silly pun is the best thing to put a smile onto your face – buy this funny T-shirt to brighten someone's day

Description: Sarcasm is sometimes the best way to deal with annoying people who just need to suck it up

Description: Cake, cupcakes, doughnuts, and other iced desserts – the perfect sugar rush for any sweet tooth

Description: Whatever your fandom – anime, science fiction, Disney, fantasy, superheroes, video games, or the BBC – geeks have a different view on aging and their inner child. Buy this funny T-shirt for your favorite geek (even if it's you).

Description: Bad Wolf ... if you're a Doctor Who fan, then you know.

Description: Möbius / Mobius / Moebius strip says your argument is invalid – the sarcasm of math joke humor FTW – buy this funny T-shirt for your favorite nerd (even if it's you)

Description: DON'T save the drama for your mama...she'll send it back! Use the sarcasm of this funny T-shirt to let the drama queens in your life know that ain't nobody got time for that!