Definitions by Poonum

muck fuck 

When u fuck someone in poo.

person #1)I had the craziest muck fuck last night yo.
person #2)Ur a crazy bitch. I would never muck fuck a fuckin chick u fuck

muck fuck by Poonum April 20, 2005

Mongolian stomach fuck 

When you are effin a chick in the anal canal, and u eat her shit and puke it out onto her ass, then do her...hard

o god im gonna mongolian stomach fuck you.

Mongolian stomach fuck by Poonum April 20, 2005

poonum 

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

poonum by Poonum April 19, 2005