Top Definition
A slang term used to describe a male that is being mean, annoying, or exhibiting generally unlikeable qualities. Often used to mean "jerk". You use it to describe a male friend who is being temporarily annoying. Offensive to say to strangers. It originated as a lyric from the long island girl band Siamese Fountain, and gradually became common among their fans.
John was supposed to call us after the science fair, but he didn't. What a biftec!

Did you see his outfit today? He's wearing red stripes and green plaid, I told him it didnt match. He looks like such a biftec.
by Moult Eclipse Alt LD July 02, 2005

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