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A Wooosa is someone who acts in a humorus or non human way. It is not in any way, shape or form a version of the common word "loser". The abstence of the bwain and or major organs may cause someone to become a Wooosa. Can also be refering to an animal and or object. Usually followed by a hand gesture and is intened for an older youth audience.
"heyyyyyyy dude!"

"whats UP?"
"not much you?"

"not much just watching trailer park boys ill ttyl"
"omg like i dont wanna be your fwiend anymore if all you are gunna do is watch TPB! GOD!"

"ok, fine! wooooooooooooooooooosa!"
by flaba October 01, 2009