traf-uck noun, verb, -fucked, -fuck·ing.

–noun
1.
the lack of movement of vehicles, ships, persons, etc., in an area, along a street, through an air lane, over a water route, etc.: the heavy traffuck on Main Street.
2.
the vehicles, persons, etc., not moving in an area, along a street, etc.
3.

when you absolutely can't be late and you get stuck on the road you are traffucked.
4.
Road congestion stress.

Quickie in the back seat (or alternately road head) specifically in the context of bumper-to-bumper traffic, and when there is nothing better to do while waiting for the bastards in front of you to move.