fly on the wall
If you say that you would like to be a fly on the wall on an occasion, you mean that you would like to hear what will be said or see what will happen while not being noticed:
I'd love to be a fly on the wall when those two get home!
See also
fly-on-the-wall
Thesaurus: synonyms and related words
Audiences and spectators
- bums on seats idiom
- bystander
- captive audience
- concertgoer
- consumption
- crowd
- fan
- fly
- goer
- listener
- observer
- onlooker
- pep rally
- seat
- spectator
- supporter
- watcher
- watcher
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