Acronym for
Driving While Fucking Stupid: The term used for someone driving in the fast
lane at or under the
speed limit with their left turn signal on.
Interstate 95
Passenger: What the
hell is
wrong with this guy in
front of us?
Driver: He must be D.W.F.S. because he's been driving 55 in the fast lane with his left blinker on for the last 1/2 mile.