Top Definition
Evidently it isn't appropriate to use the word "retarded" anymore.

BKKAR (pronounced 'biff-car') stands for "behavior formerly known as retarded."

After a night of drinking, I started drunk dialing and acted all BFKAR.

That girl doesn't know how to keep a guy. She acts BFKAR on dates.
by twice-nyc February 27, 2009

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