When you go to a bar and ask for a dirty martini, the bartender makes it. She then proceeds to finger herself, then stir your drink with her finger.
Man: can I get a martini
Bartender: sure Hun, you want it dirty?
Man2: she just offered you a dirty Martini bro!
Bartender: sure Hun, you want it dirty?
Man2: she just offered you a dirty Martini bro!
by SoCalwhiteboy91 April 07, 2016