The person forced to sit in the middle of the back seat or in between the two front seats in a two seater in a car. Usually the smallest person or only female in the group will have to ride 'bitch', so that the guys don't touch each other (irrational male homophobia)
Jim: Whos riding bitch? it'd better be Jill- 'cos i ain't sitting next to that
stupid fuck Jack again.
