to be present to listen/see what goes on behind closed doors, that is, in a room closed to the media or other non-participants
1. I'd like to be a fly on the wall when that (distrusted) union steward is making deals with management all on his own

2. I'd like to be a fly on the wall when my ex and her lawyer are talking about our separation agreement

3. I'd like to be a fly on the wall of suite 401 of the Best Western when my ex is visiting her boyfriend who's up here on business
by Jake March 01, 2004
Top Definition
someone who secretly watches something. like they're a fly on the wall and you don't notice them.
carlos knows that rosita's baby is really chico's thanks to that fly on the wall.
by tom March 02, 2004
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.
by djsmythe March 01, 2004
an inconspicuous observer, a secret witness
I think there was a fly on the wall when I told mom about the Nigerian email that I had to delete.
by The Return of Light Joker January 23, 2008
When a male does a headstand, naked, against a wall and his penis and balls resembles the facial configurations of a fly or mosquito. You can also flail your legs to make it look like your fly has arms. Like a wacky, waving, inflatable, arm-flailing tube man.
My son keeps doing the fly on the wall whenever he gets out of the shower.
by Swaggasaurus April 20, 2016
a documentary that follows you around
i cant believe that fly-on-the-wall documentary caught me picking my nose
by hayley yates December 10, 2003
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