Top definition
A mature woman who, in her attempt to lure younger prey, has had a visibly frightening amount of plastic surgery.
Guy 1: Yikes!
Guy 2: What?
Guy 1: Frankencougar, three o'clock, ready to pounce.
Guy 2: Dude, that's Janice Dickinson!
by Mark Aceto May 01, 2009
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