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1 definition by kirAiSaLiVe

 
1.
Used to describe big man boobs. This word originated from the phrase "Big Bouncers" when it got translated incorrectly. A common adverb to this would be, "jiggly", thus "jiggly mamoons".
Phil: Look at that kid with mamoons!

Benny: Gross!! They're all jiggly..
by kirAiSaLiVe February 23, 2009