a prank you pull on your friend while he is sleeping. you poop on his head or noggin so he well wake up with a big pile of poop on his face and everyone can get a good laugh.
man dylan fell asleep early so im going to go give him a poop noggin
by Tyler aka Ty sauce July 04, 2006
The cleaner and more immature word used in place of shit head.
You are such a poopnoggin!
by Nickelass August 29, 2008