Plastic or metal reproductions of testicles (either human or bull) that hang from a trailer hitch. They come in numerous colors and are usually found on pickup trucks or SUVs.
Wife: What are those blue things hanging from the back of that truck?
Husband: That redneck has truckticles on his truck. Must be compensating for something.
Wife: Well, we should get them too.
A person named David who is homosexual or acting in a homosexual manner.
Did you see David out the other night?
Yeah, he was hitting on men. That makes him gheyvid.