look up any word, like half chub:
 
1.
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.
by Gorham October 13, 2007
 
2.
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.
by psybot January 22, 2011