Green’s Dictionary of Slang

an act of hitchhiking, e.g. I got a hitch up to London.

1929		E. Dahlberg Bottom Dogs 194: He was unable to get a hitch.
1937		A. Herndon Let Me Live 54: When a truck driven by some Negroes came by, we begged for a hitch.
1943		W.R. Burnett Nobody Lives for Ever 214: ‘I found a good spot for the car. [...] I even got a hitch back’.
1956		H. Gold Man Who Was Not With It (1965) 88: ‘What you doing here?’ ‘Waiting for a hitch.’.
1961		H.C. Woodbridge ‘Misc.’ in AS XXXVI:3 228: hitch, n. Ride.