one pump chump
English edit
Etymology edit
Chosen for the rhyme. From the tendency of people suffering from premature ejaculation to ejaculate after a very short time, perhaps even after a single pelvic thrust or “pump”, during sexual intercourse.
Noun edit
one pump chump (plural one pump chumps)
- (informal) Premature ejaculator (person suffering from premature ejaculation).
- (informal, by extension) someone who only does something once.