Dumb Fucking Look. This is the look you expect to see from a complete and totally clueless dumbass. You know, when they should be listening to you and they staring with a stupid, lost glare. This is often accompanied with mouth open. It is the expression of a young, stupid slackjaw who has just seen boobies for his first time.
I explained the whole problem to my boss and asked him what he wanted me to do. He just sat and gave me the DFL.
When the cops told Brittany Spears to put her kid in a seatbelt instead of riding with it on her lap she gave them the DFL.