Top Definition
1. When an overweight person lifts up their fat rolls and rubs under them with their hand, then slaps you with it.
Nick Brunswick is commonly reffered to as, Diry Frank
by The Latin Duo April 22, 2005
1 more definition
A sex act in which a man inserts a cheese log in his ass, then uses it to penetrate his partner.
Don't eat that cheese log, Grammy. Heather used that for a Dirty Frank!
by cheezer1 August 20, 2009

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