knob job

a.) Oral sex performed on a man in which the performer centers their attention just to the head of the penis. Also referred to as " polishing a door knob". b.) Common practice of a female lowering her vagina over an automobile's gear shift knob, usually done after coming home without getting laid or having a fetish for auto-erotica. c.) The twisting of the hand around the male penis, especially over the head, as if turning a door knob, during the performance of oral sex or masturbation.