A woman of cougar
age (usually divorced, separated or unmarried). She doesn't hunt younger men. Instead she lusts at them and mentions it to her close friends and/or relatives in private.
Mom (in a whisper): "Meredith, you see those 5 guys over there? They're hot! Aren't they?"
Meredith: "OMG Mom!!! Those guys are all my age!!!"
Mom (still whispering): "Yeah, I know. But I'd love to get with one of 'em. Too bad I could never tell them that."
Meredith: "You're such a theoretical cougar"