Verb
The act of shitting so much all over the place, and living it sit, that it is virtually impossible to clean.
Josh: Can I use your bathroom?
Mary: Yeah, it on the left, 3rd door.
Josh: Thanks....
.....
Josh: Dude... I just BP'd your bathroom. Sorry 'bout that. you might wanna call British Petroleum, or maybe even the President. I'm sure they can fix it.
Mary: Fuck you!
Josh: anytime.
BP is an acronym for "Booty Pic". This is when you sneak pictures of "the booty". In other words taking pictures like a creeper of someone's ass.
"Hey John see that girl over there? Get a BP of her." *John looks at the girl* "Steve." "Yes." WE'RE IN A FUCKING MALL STEVE." "And?" "BP's are better at Starbucks."