plain brown wrapper
English edit
Noun edit
plain brown wrapper (plural plain brown wrappers)
- An obscuring cover or wrapper, originally to allow postal delivery of sexually explicit periodicals.
- (by extension) Any veil, disguise, or mask.
- (by extension) An act of dissimulation, camouflage; a cover-up.
- (CB radio, slang) An unmarked police car.
- Synonym: plain wrapper