Top definition
Simply, squishy cheeks on ones face. It can be made by fat, but it is not limited to this - things like jaw alignment or soft/flexible skin can result in poonum.

When someone has a lot of poonum, it is very amusing to poke this person's cheek with a your finger and say poonum in a childish voice.
"Dude! Look at T-Dawg's cheeks. *pokes cheek* Heh heh, poonum!"
by Ramous July 03, 2006
Get the mug
Get a poonum mug for your barber Trump.
2
A word used to describe a enormously gay person or a sick, loose, floppy vag.
1. Dude, that guys is the biggest poonum fuck ive ever seen

2. She has the floppiest poonum ive ever fucked
by Poonum April 19, 2005
Get the mug
Get a poonum mug for your Uncle Callisto.