rock-dumb
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
Extremely stupid.
Register: derogatory, slang
Where it’s used:
Used
American English
Examples
Nothing like a rock-dumb cartoon to speak for non-thinking people!
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 “rock-dumb” mean?
Extremely stupid.
Is “rock-dumb” formal or informal?
rock-dumb is generally derogatory, slang.