one pump chump

English

Etymology

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

one pump chump (plural one pump chumps)

1. (informal) Premature ejaculator (person suffering from premature ejaculation).
2. (informal, by extension) someone who only does something once.

See also

• one-and-done