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2.
A woman that is beyond the age of cougarhood (55+) but she sure isn't giving up on younger men. Thus, she becomes a supercougar.
Frank: Dude, she's like 70 years old. I can't believe you'd consider that!

Matt: No, man. She's just a supercougar now.
by martinaway May 17, 2010
 
1.
-a 'much' older lady looking to get it on with a younger man

-see cougar and add 10-20 years in age
Last night Vick got caught on camera dancing with some super cougars.

Marc left the bar with some crazy super cougar last weekend
by NCapo June 09, 2004
 
3.
A supercougar is a woman who is a serious, serious cougar. I'm talking for like an entire group of really attractive, young, tan boys who may or may not be a wolfpack.
Marisa: Haha, you think a 14-year-old is hot.
Jessa: Coming from a supercougar, I do not find this insulting!
by missjescole October 23, 2009