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1.
A person who is generally in a consistently bad mood. A contrary person who typically likes to shoot down ideas/plans. Someone who "1ups" positive comments with equal or greater negative comments.
God damnit Dave, quit being a wet ass!
by Ben Ridge March 21, 2008
 
2.
1. Usually what you get when you have a wet, moist, hot steamy smelly fart.

2. A person who has a smelly sweaty ass all of the time.
(A)- If you are sitting in a cloth covered chair the smell is always trasfered to the seat.
(B) - If you are sitting in a plastic chair it always leaves you sweaty ass condesation prints on the seat.

1). Friend - Jim did you fart?
Jim - Yes and now I a have a bad case of wet ass

2).
(A) - Take a wiff of this seat cusion. Jim has a case of the wet ass.
(B) - Gawd damm. look at that chair, Jim must have a wet ass.
by Keystone Coppers May 16, 2007
 
3.
To get up from the toilet without wiping ones ass; usually to do something urgent such as answer a phone or to get a new roll of toilet paper when none is left in the bathroom.
I quickly wet assed it over to the guest bathroom after realizing, too late, that the roll in the master bathroom was empty.
by Vyache September 13, 2009