Top Definition
If you do not know what loosa means, then you truely are a loosa.
Loosa = Looser
OMG, what is that loosa doing?
by Tasha October 05, 2004
A stupid word that is meant to mean loser that makes you sound/look like an idiot.

should only be acceptable if you are a young child or have a speech impediment
"It is retarded to say loosa"
"I know what's the point"
by LTtrash February 27, 2009

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