2 definitions by DaMook Richman

noun. Used to describe a bitchy person, ususally a female, of an older age.
Your Nana Dee Dee was soooo bitchy, and foul mouthed today, I thought she was Joan Rivers!!! UGH! What a Bitchasaurus!
by DaMook Richman April 22, 2013
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a young man who is ONLY interested in banging older women.
Omg! Can you believe Clayton is banging your Mom Linda? She's so old! What a cougarist!
by DaMook Richman May 6, 2013
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