What is the meaning of Hitchhiker?

A person or thing that hitchhikes.

An item attached to a travel bug and hidden in a geocache to be found and transported to other caches or around the world.

A dance move in which the dancer mimics the motions of someone thumbing a ride.

A bur that attaches and clings to clothing, or a bur-bearing plant.

Source: wiktionary.org

See also