what one gets when he/she has had a long night of promiscuous sex.
Cheryl shamelessly walked her soggy party-bottom through the livingroom of partygoers after she did the entire highschool football in the nearby bedroom.
A chic that has a long, droopy butt.
"You see the soggy long bottom in the jeans over there?"
When one mans anus is the receptacle for all ejaculate in a gay orgy.
That Funky guy played soggy party-bottom to the whole football team last night.
When you piss your pants then sit on someones face.
Svetty pissed herself then sat on Jacks face. Jack loves that soggy bottom bounce.