pump someone's fist

In real, traceable use. Part of the curated seed collection; community review is coming.

Meaning · English

To thrust one's penis into another person's open fist.

Register: slang, vulgar

Where it’s used: Used American English
Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “pump someone's fist” mean?

To thrust one's penis into another person's open fist.

Is “pump someone's fist” formal or informal?

pump someone's fist is generally slang, vulgar.