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The official noise of the nerd/dork/geek before he says something seemingly important. or a nerd's call to attention.
UBBB
according to the captain's log, the star date date system originated in 2019.

Anyone who doubts the validity of the last fact, is the manifestation of the definition. Basically you use UBB all the time.
by thatnerdguy May 11, 2009
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2
The acronym for Ugly big belly bitches/ bitches that are ugly and Gabe a huge stomach that they can barley suck in
Charlie: yooo look at these chicks man

Me: they are all U.B.B.B
by hoeite trash November 17, 2017
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