General
plain wrapper
What does plain wrapper mean?
An unmarked cop car — no decals, no light bar, just a regular sedan with a radar gun and a hidden agenda. The metaphor: it's the same product in a plain wrapper instead of a branded one. Often paired with a colour: 'blue plain wrapper.'
"Heads up, white plain wrapper sitting in the median at mile 88."
Origin
1970s American CB-radio trucker slang. Borrowed from the era's 'plain brown wrapper' euphemism for discreetly-packaged mail-order goods.
Frequently asked questions
What does plain wrapper mean?
A plain wrapper is an unmarked police car.
How do you use plain wrapper in a sentence?
"Watch it, there's a plain wrapper sitting at the next exit."
Where is plain wrapper used?
It's CB and trucker radio slang, warning other drivers about an unmarked patrol car ahead.
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