Stunt Double 

When someone who is dating someone else wants you to do something with them that their current partner won't do.
and / or
When you go out with someone who is still technically dating someone else.

She called and asked for me to drive her around and go on a Christmas tacky light tour with her.
I said "What am I, the stunt double?

Stunt Double by Not Pressed February 13, 2018

Stunt Double 

A person who looks just like another person.

"Dude, Michael Cera is Joe's stunt double."

Stunt Double by Pete Springer February 22, 2008

STUNT DOUBLE 

stunt performer who performs stunts in place of another actor and is chosen for his resemblance to the actor he is replacing

perform a stunt; ex, i dont like to use a stunt double if i want to become a good actress :)

STUNT DOUBLE by Maha Amro April 26, 2006

stunt double 

a boy/man who dates the girl that has recently broken up with you. He acts like a stunt double by trying to do what you did.

Is that your new man? ha That's my stunt double.

stunt double by Kashman91 February 12, 2010

Stunt Double 

The art of purchasing a inflatable love doll (blow up doll) and naming it after a existant female, then ingaging in intercourse with the doll and imagining it is the actual person. Doll also can be used to tell person that they can literally go fuck themselves.

Ryan bought a Stunt Double of Carly at Jims Wackin Shack and fucked its brains out!!!

Mike approached Carly with the Stunt Double and told her to literally go fuck yourself!!!

Stunt Double by Josh Fucking Quirk February 27, 2009

A Stunt Double 

When you are having sex with someone and pretending its someone else or having sex with someone who looks similar to said person.

It doesn't matter what they look like, any girl I have sex with is a stunt double for Ronda Rousey.

A Stunt Double by FlickaFlacka September 5, 2015