1 definition by Anismus Prime

Acronym for Butt AIDS A highly virulent variant of AIDS which is transmitted on SIGHT. The virus then enters your colon and within two months results in you turning into a dinosaur.
Carter: Hey, did you hear that Jon contracted BAIDS?

Wei-Shin: No shit? How's he doing?

Carter: He's a dinosaur now, so...
by Anismus Prime April 20, 2012
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