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Sister From Another Mister. The girl's version of BFAM.
Alecia: Girl, we are such good friends! And we look alike!
Amy: I know! We must be SFAMs!
by hellztuhtheyahgurl August 17, 2010
SFAM (Stunner from another mother)...used as compliment to another in reference to their positive appearace.
Boy to girl "Hey SFAM how are you today?"
by fringe1903 March 25, 2009