Top Definition
If a stranger looks identical to one of your friends from behind, then the stranger and your friend are back twins.
Guy 1: Hey Ben, what's up?

Guy 2: (turns around) Huh? I'm not Ben.

Guy 1: Oh, sorry, you're just Ben's back twin.
#twin #doppleganger #look-a-like #mistaken identity #seinfeld
by Woodson April 10, 2007
5 Words related to back twin
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.