1 definition by Crazy Monkey 64

A younger man who enjoys the company of older women. Sp. Someone who has had success in his sexual advances towards older women. Similar to a Cougar Hunter or Cougar Hawk.
Q: What are you up to tonight?
A: I think I'll get down the boozer and try out my new Mutton Bustin' trousers
Q: You are such a mutton buster
by Crazy Monkey 64 June 22, 2009
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