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1. loosa
If you do not know what loosa means, then you truely are a loosa.
Loosa = Looser
OMG, what is that loosa doing?
by Tasha Oct 5, 2004 add a video
2. Loosa
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"
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