Top Definition
a girl who is super cool, funny, and just an overall awesome person. a friend who gets your sense of humor and who will put up with other friends bullshit. A girl who actually cares about her friends.
Angus: Yo my wife Agnes is being a total tiffinie lately its awesome.
Hank: Maybe you'll get a blow job
Angus: Doubt it she's not THAT cool
by Angus37 June 15, 2011

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