Dusty Buffalo
Refers to an elderly Native American woman who has not engaged in sexual intercourse in a period of time. Refers to how the genitalia has not been aroused and has gathered dust.
Person 1: I went to the reservation last week to waste my paycheck at the slots, and this dusty buffalo cleared me out in Texas Hold 'em!
Person 2: I can see why she hasn't gotten any action...
Person 2: I can see why she hasn't gotten any action...