the sweat from your gooch and balls that soaks through your boxers/underwear, and makes it annoying to sit down.
after playing basketball all day, i went to sit down and much to my dismay, i sat in gulf of swamp ass.
by Kyle M November 29, 2003
*when the ass region feels hot wet and murkey...
hey hunni get the baby's desiten i have swamp ass for the third time this week!
by bob hastle February 20, 2004
One whos ass smells of rand things and/or is sweaty.
"My boyfriend is a swamp ass"
by KRISTY February 18, 2005
when you get a build up of sweat between ur butt-hold and privets or just ur ass
steve was playing football and he got swamp ass so now every body calls him swampass steve
by jamie November 23, 2004
swamp ass occurs when one with a hairy ass has been sitting in a chair for a long period of time hence causing a large abundance of sweat on the back of your pants so it looks as though you squeeged in your pants.
damn, i have a bad case of swamp ass, the sweat started accumulating about an hour ago, now the wet spot's as big as a fuckin basketball.
by Philbert Rhosenburg March 11, 2004
The sensation of sweaty thighs in bunches of fabric, simulataneously enjoying(?) the feeling of having a swamp located just south of one's ass.
"Dude, I had to leave the MoMA after three hours...I was hungry and I had major swamp ass 'cause I was wearing warm-up pants with boots."
by Myconfidence October 22, 2006
an unfortunate ailment hitting men in their prime while vigorously walking through the mall, where as you feel like the inside of your ass cheeks have become a KY factory
Get me some TP quick, i have swamp ass that would make swamp thing jealous!
by Flonson Khabot January 29, 2005