hitchhike

Short definition from Wiktionary

Verb

1. 1
   To try to get a ride in a passing vehicle while standing at the side of a road, generally by either sticking out one's finger or thumb or holding a sign with one's stated destination.
2. 2
   To try to get (a ride) in a passing vehicle while standing at the side of a road, generally by either sticking out one's finger or thumb or holding a sign with one's stated destination.
3. 3
   to make (one's way) by hitchhiking.
4. 4
   To be carried along with something else.

Noun

1. 1
   A journey made by hitchhiking.
2. 2
   Alternative form of hitchhiker (“advertisement at the end of a programme”).