when someone goes to the toilet and has an extremely explosive shit. Pooper nuka could also be a plumbing company in the post nuclear world but in 2018 it is yet to be classified as a real company
"man, I had such a bad poopernuka this morning, and the world fell out of my arse"
A sex act in which a girl takes a shit on a man's dick. Then the man uses his penis to scoop the poop into a condom (bag for dog shit) then he places the filled condom in the girl's ass (the trash can).
You would not believe how messy the pooper scooper was when I was with Yolanda last night. She left that shit in her ass until after I left.