1 definition by LBEbbs

A purely and absolutely greasy situation or person. That which reflects filth and little substance.
Not surprised Doug decided to take that stance...guy is such a muckaloo.

Samer: "How was the party last night?"
Dan: "It was just a big f**kin muckaloo, that's what it was"
by LBEbbs December 21, 2016
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