Shit residue that remains on somebody's ass after he/she has finished wiping and has dried on their fanny. Can sometimes be seen in locker rooms or anywhere someone's bare ass is exposed.

Once again the fat guy failed to completely wipe his ass. You could see popo da. I'd hate to be his underwear!

popo da by Big Ed Moustapha May 14, 2008

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Poowan

Used to describe a person whom of which is homosexual, Asian and has a love for anime. The word is often used by the means of insulting another person and is usually used in the UK however the phrase is not used as much as it was in the late 2000s.

I'm actually sick of that Poowan trying to act all tough around my brother, the little rat thinks he's cool.

Poowan by Madu Wang February 23, 2019

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popo sna

Pronounced: poe-poe snah
Shit that remains on someone's ass just after they've taken a dump and have not sufficiently wiped their butt. It's still moist and stinks. Frequently encountered in office environments. Someone with popo sna walks past you and smells like they shit in their pants. Can be a rude awakening to someone who eventually drops trow and see the stains in their underwear.

Did you get a wiff of that guy?! Every time he drinks coffee, he hits the head within minutes. Musta forgot to wipe his ass, I can still smell the popo sna. Anybody got a match?

popo sna by Big Ed Moustapha May 14, 2008

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popoon

the result of breaking wind while wrapped up in a big comfortable blanket, somewhat similar to a dutch oven, however a popoon is always self-inflicted

While wrapped in a down comforter and watching the classic "Cocoon", Norm ripped ass and suddenly found himself lying on the couch in his very own popoon.

popoon by danojamo October 30, 2009

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