rock-dumb
English
Pronunciation
Audio (AU) (file)
Adjective
rock-dumb
- (rare, slang, derogatory) Extremely stupid.
- 2010, Homer A. Taylor, The Last Horse Patrol (page 98)
- Nothing like a rock-dumb cartoon to speak for non-thinking people!
- 2010, Homer A. Taylor, The Last Horse Patrol (page 98)