A shortened version of Bliss it Up Baby. Can be used as an action as well. Only J-Bliss can PROPERLY Bliss It Up.
"Na son, Bliss aint here, he's off BIUB'n it somewhere"

"I'm bored...let's go BIUB it"
by Braylon July 19, 2005
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Big
Insensitive

Ugly
Bitch-face

basically, a person who fits all of the above criteria
-"wow, that person is large, insensitive, and bitch-faced."

-"What a BIUB"
by @___@ January 19, 2010
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