disappear, etc. into thin air

disappear into thin air

To vanish completely and without a trace. I would give you my stapler, but it seems to have disappeared into thin air.
See also: air, disappear, thin
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

disappear, etc. into thin ˈair

disappear, etc. suddenly and in a mysterious way: The money vanished into thin air. Nobody knows what happened to it.
See also: air, thin
Farlex Partner Idioms Dictionary © Farlex 2017
See also: