The act of honking your horn rather than hitting your brakes when approaching an obstacle on the road.
*Long honk followed by a car crash* Looks like that guy tried sonic braking. He didn't even slow down before hitting that truck.
by tendonut January 12, 2011
Bill: "I am gonna head back to the room and take a power nap before dinner"
Jim: "Shut up, just say you're taking a nap, you toolbag"
Jim: "Shut up, just say you're taking a nap, you toolbag"
by tendonut April 23, 2017