Top definition
A moron, who, at a urinal,pisses toward the side, thus is likely to piss on a) his leg or worse b) pissing on your leg.
"Dude your pantsleg is all wet."
"Yeah I was beside Irvin in the bathroom."

"Yeah he's a fuckin sidepisser."

Piss, urinate, pee
by catcherholic July 21, 2016
Get the mug
Get a Sidepisser mug for your cat Callisto.
Jul 1 Word of the Day
sending two texts in a row without a reply inbetween.
Rachel: whats up?
Tessa: not to much! hbu?
Tessa: dude, i'm so bored.
Rachel: stop double texting me.
Get the mug
Get a double texting mug for your coworker James.