Top Definition
A word use when screaming loudly for no apparent reason, only to disappear and drop mediocre items in your absence. Usually following ah and ga, ubwaa is the ultimate way to go crazy for no apparent reason.
Ash: Hey Kireek, are you okay man?

Kireek: Ah... ... Ga... ... ..... Ubwaa!

Ash: What the hell?!
by The Elite Ninja July 04, 2009
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