hitchhiker

Etymology

From hitchhike + -er.

noun

1. A person or thing that hitchhikes.
2. An item attached to a travel bug and hidden in a geocache to be found and transported to other caches or around the world.
3. (preceded by definite article) A dance move in which the dancer mimics the motions of someone thumbing a ride.
4. (informal, botany) A bur that attaches and clings to clothing, or a bur-bearing plant.
5. (radio, advertising) An advertisement at the end of a programme.
   Coordinate term: cowcatcher
   […] and networks have taken steps to modify or eliminate the bunching of spots and commercials between programs which results from the use of hitchhikers and cowcatchers. 1945, Charles Harold Sandage, Radio Advertising for Retailers, page 186