Meaning:
If someone wants to be “a fly on the wall” in a room or other place, it means they want to observe what is happening there without being seen.
Examples:
- I'd like to be a fly on the wall that night.
- You know, part of me wants to just be a fly on the wall and listen to people's reaction.
- Wouldn't You Just Love To Be A Fly On The Wall At That Lockdown?
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- What I wouldn't give to be a fly on the wall.
- Is that like being a fly on the wall?
- When I asked you to be a fly on the wall,
- I promise, I'll be like a fly on the wall.
- To be a fly on the wall in that apartment right now.
- I'm just, like, a fly on the wall at this party.