The act of whacking someone so hard with ones erect penis it leaves sizeable marks and redness and warmth and possible bruises.
by Adie88 September 29, 2018
Get the hammercocking mug.When someone on a crotch rocket rolls off the throttle, clutches in, shifts then dumps the clutch and rolls onto the throttle hard. All within a 1 second timeframe.
"See that guy switching gears? he's really hammerfucking it"
"See that guy switching gears? he's really hammerfucking it"
by xECGx April 24, 2014
Get the hammerfucking mug.Related Words