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1 definition by Juan Valdez - Harvester of fine coffees in Central

1) Someone who behaves and embodies the functional capacity of a monkey in human form.

2) A human being with a large baboon-like ass. Synonym: Baboon-Ass
1) Look! That guy is eating his own poo! What a monkey ass!

2) Holy shit! The bum on that woman is unequaled, even compared to the sum of any two human beings! What a monkey ass!