Definitions by melvin lavoix

P.P.M. 

An acronym for Pumps Per Minute. The standard measurement for the rate of thrusting during coitus/ vaginal/ anal penetration, where one pump is defined as the complete thrust of the penetrator's hips.

Although, she prefers a P.P.M. around 40, her man does not have the sexual endurance yet.

P.P.M. by melvin lavoix June 11, 2006