perve cop 

A police officer who poses as a young person (usually female) on the internet to entrap pervs looking to hook up.

"How'd I know the 13 YO was a perve cop? They busted me for just wanting to be her friend."

perve cop by Old Bogus April 10, 2008

copping a perv 

To take a sly look at a person or a part of a person, or possibly an animal or part of an animal etc., whilst imagining lurid sexual fantasies involving the object of the obsession.

Foxy lady:
Were you looking at my arse again?

Goddam faggot:
He was I saw him at it.

Normal guy:
Yeah... I was just copping a perv.

Foxy lady:
Oh right...ok...and you mind yer business shit stabber, yer just jealous.

Goddam faggot:
Hmmm..he is nice.

Normal guy:
Have you been copping a perv you bender?

copping a perv by isleofwightinsider December 9, 2008