pigdraft
(v.) to slow down because you spotted a nearby law enforcement vehicle or officer. (n.) the effect caused by many people in traffic slowing down near a law enforcement vehicle compounding a traffic issue.
(v.) Looks like there's some bacon three cars back, better pigdraft or you'll get a ticket.
(n.) I can't believe I'm stuck in another pigdraft, can't these people even go the speed limit?
(n.) I can't believe I'm stuck in another pigdraft, can't these people even go the speed limit?