"Perks of bein' an angel," Dean mutters, but then his mouth is too occupied with Gabriel's to make any snarky comments, not to mention there's a hand on him and it's stroking, and that feels pretty damn amazing all by itself. He makes a little noise that's swallowed by Gabriel's mouth, his own hand sliding down the angel's stomach to wrap around his cock lightly, stroking it in time with the other's motions.