Poopa is another way of saying weed or marijuana. It's commonly referenced when blunts are used.
Yo Willy, hit that poopa right quick.
Just a bit more polite than doopa.
That girl man, she has a nice poopa.
a fat poop that just came of of your buttocks
yo dude I just had a fat poopa in the loo
slay sister!! (but it’s actually Maltese for doll but whatevs) love ya boo!