Definitions by djsmythe

fly on the wall 

An unseen or unnoticed presence in a situation.

"Fly on the wall documentary" meaning a documentary where the cameras go unnoticed by the subject of the film.
"I wish I had been a fly on the wall at that meeting" meaning I wish I could have sat in unseen on that meeting.

fly on the wall by djsmythe March 1, 2004