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a person who talks shit over xbox live because they are big pussies who got bullied all through school and have never stood up to anyone in life. Or every fight they have been in ended with their mom coming to the rescue.

Basically a wettlebrast is the guy who you feel sorry for, because you know that his manhood is a pathetic excuse for the manhood of a 7 year old girl. But angry enough at the world to try and be a tough guy when he knows he is going to be safe.
"Haha hey guys, this guy just little pussy is talking shit to me. And I think I heard Celine Dion playing in the background."

"Haha oh man, what a wettlebrast!"
by LOBO90 January 05, 2010
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