A male who takes pleasure in having carnal knowledge of the anus. A male homosexual.
I can't believe there are so many peanut butter trail riders in sequin body suits at the Sydney Gay and Lesbian Mardi Gras.
by Ross Vidler September 13, 2006
I said go and get fucked you peanut butter trail rider.
by Crazy Brad Milf Hunter April 09, 2003