One who purchases and drives a used police vehicle because he's an asshole; particularly one who gets a motorcycle and wears an "official" looking helmet to go along with his cheap, crooked aviator sunglasses and cheesy, porn mustache.
All of a sudden this patrol car pulls right up on my ass, I start shoving the buds in my mouth and chewing like crazy - then I realize he's just a fuckin' cop knobbler! ... so I ran him off the road.
The act of forcibly taking a cock into one's hand and jacking itup and down whilst the mouth slides up and down the shaft in unison or opposition.
BillyBob: Where's that whore you call a girlfriend?
Jeb: Campus police caught her blowing one of her professors in the parking lot. She's down in county lockup... prolly likin' some stank-ass prison guard snatch.
BillyBob: Did they charge her with Armed Knobbery or Public Incocksuckation?