Riding in the trunk of someone's car due to lack of room.

A dead hooker is another name for a fleshlight

Well duh, simply a hooker who is dead.

Golden Tee Arcade Game-because dudes at the bar group around the thing staring at it like it's a fucking dead hooker.

The amount of space occupied by a dead hooker, typically used to measure the size of a car's trunk. The actual volume of a Dead Hooker Unit has been disputed, since hookers come in different sizes. Most parties agree that a DHU is the average volume occupied by a dead hooker, but that there is not a definite conversion from DHU to liters.

If you see this you know the joke.

Trunk capacity of any car measured in dead hookers. Hookers must be whole and not chopped up and bagged