Top definition
As coined by Joey Greco of Cheaters fame, a business relationship turned sexual behind the backs of the involved parties significant others.

The scene: Spencer is confronted in a parking garage by his livid wife after having been busted on camera making dirty bathroom love to his secretary.

Secretary: Spencer and I only work together, I swear!!

Joey: I think this is more of a mullet relationship...business in the front, party in the back!!
by Casandi July 06, 2008
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