Top Definition
When someone is going down on an old broad and she accidentally shits herself.
Man, did you hear about Brad? He got a Dirty Gerty from Linda last night! That boy is still in the corner shaking and crying.
by Pimpzilla April 09, 2005
Sexy female thats got it all going on, her milkshakes bring all the boys to the yard. She likes to get down and dirty
Hey Paul did you get a look at that fit bird that just walked in...I bet shes a right dirtygerty
by Leanniepannie123 September 24, 2016
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