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a junior cougar, aka a "cub", is a woman 25-29 years old who goes after younger men. some day they will blossom into cougars.

This is to be distinguished from a "cougar", who is a woman 30-39 years old that goes after younger men. Or even a "double cougar" (40+ years old)
oooh man we went out to the bars last night and there were these gold-digging junior cougars who were all over us.
by smith5565 February 10, 2008

Words related to junior cougar

cougar cub double cougar gold-digger slut