- When a man inserts all five fingers into a hookers ass in a back alley while lifting his hand up and down, like a handshake.
by Chrisam November 11, 2014

Did you hear that Ron just got a Back Alley Handshake from Molly just now? Jeez you'd think that he would wait until after his wedding day!
by Jaboy13 July 06, 2016
