Similar to a stomachache, one gets a poopache when they have not flushed their body of waste for an alarming number of days. In other words, the ache a person might get when they have to poop but hold it off. May or may not be accompanied excessiver with gas, stomach pains & aches.
Boy: I haven't gotten a chance to take a dump in the longest time and my stomach hurts like hell.
Girl: Damn, sucks for you. You must have a poopache.
Man: My stomach fucking aches, I'm passing gas, and I get these excruciating pains in my abdomen, what the hell is this shit, Doc?
Doctor: Looks like you have a poopache. No worries, just take a dump ASAP.
A squalid vagina; or more specifically, a black hooker's stank-nasty vagina that does not get skull from the mens.
"We just straight out fuck. That's it. Two minutes and we're done. He ain't never ate... the poonanchee... right?"
"Please get your poonanchee away from my face. It smells like burnthair and stale farts."
to insert ones finger in ones own anal orifice, and wipe said finger under opposing friends nose, resulting in opposing friend only being able to smell shit all daylong