unhummable
adjEtymology From un- + hummable.
1
That cannot be hummed.
- A dull movie that is also tasteless, with a drunk scene, a seduction scene, Reynolds shaking her behind while Crosby and a nun watch, plus several songs that are unhummable, unwhistleable, and unmemorable.1987, Jay Robert Nash, Stanley Ralph Ross, The Motion Picture Guide, volume 7, page 2753: