English · Slang Attested 18+

dumbfuck

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

Meaning · English

An extraordinarily stupid person.

⚠ Register: derogatory, slang, vulgar

Where it’s used: Used American English

Examples

You dumb fucks, you're nothin’ but lunch ducks / Big nuts here swinging like nunchucks

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)

Sources & notes

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

Common questions

What does “dumbfuck” mean?

An extraordinarily stupid person.

Is “dumbfuck” formal or informal?

dumbfuck is generally derogatory, slang, vulgar.

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