Top Definition
a human individual or possibly semi-fictitious animal, with a constant craving for guacamole and guacamole related accessories. Often prefaced with adjectives such as voracious, insatiable, or ravenous.
Buddy: Man, is your wife making Mexican again tonight?
Man: Yup. She's a voracious, insatiable, ravenous guacanomster!
by mlkman May 04, 2011

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