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A term given to the noticeable large, very appealing behind of a woman. The level of the woman's attractiveness does not factor into the declaration of a mamacaboose, for a mamacaboose alone is capable of satisfying. This term was coined by a strange little Italian man: our very own, beloved Pistachio Disguisie.
Grandfather Disguisie: "How about her? She could be a good wife for you."

Pistachio: "Yes, she has quite a good mamacaboose!"
by dumdumdrummer:P September 08, 2009
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