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Keeping The Other Man Warm is a term to describe the acts of a female whom has been deemed a whore or prostitute.
Zach: Man, Rebecca was the love of my life forever...I can't believe she cheated on me with two guys !

Mike: Well, your not the first. Looks like she's just always Keeping The Other Man Warm when the times needed.

Zach: Damn.
by LyricalFauxpas September 03, 2011
Happy St. Patties Day!