Physics Why Shit Does Shit Men's T Shirt Parent-019OnceY This funny men's graphic t-shirt

This funny men's graphic t-shirt was designed for guys with an elite sense of humour

Featuring a hilarious sarcastic and political meme

Featuring a hilarious activism meme

Life is just sitting here looking out of the glass bowl… Animal Lovers Unite

My Sarcasm is about 99% uploaded from my brain to my mouth At Crazy Dog T Shirts

Physics Why Shit Does Shit Men's T Shirt Parent-019OnceY This funny men's graphic t-shirtOH so that's why that shit does that shit! At Crazy Dog T Shirt, we have all the funny, geeky tees, nerdy ties, and hilariously sarcastic hoodies to showcase all your love for math and science. When science is life, literally, show off your love and intimate understanding of the natural world. Look no further for clever science puns and witty sarcasm math t shirts guaranteed to get a laugh! Calling all math nerds, sci fi geeks, comic book dorks,