An adult film star, typically female, who resembles a friend or acquaintance, etc. Generally, the adult film star serves as a stand-in in fantasies about that acquaintance.
Don't you think Brooke looks like Jenna Haze?
Jenna Haze is definitely Brooke's pornstar doppelganger.
by CT Brown December 17, 2007
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A porn video or movie that features someone that looks a lot like, but isn't, somebody you know, doing the nasty. A few times in his life, a man will stumble across one or two of these.
"Wow, that hot chick banging that guy on screen sure looks a lot like my hot friend that i'll never have sex with. AWESOME! Looks like I found a doppelganger porno!"
by Mahogony Fog May 24, 2010
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Usually after a tough night out on the Techno Dust, when trying to bang a chick while supporting Disco Dick and having troubles climaxing: Blow your nose on her back/belly and pretend it's cum.
Man i was so wasted last night when banging this chick I had to get a Dordrecht Doppelganger.

I can't believe he still finished in your mouth given how intoxicated he was, are you sure it wasn't a Dordrecht Doppelganger?

Invented by J. Palermo
by tjsecretlover October 30, 2019
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When as the owner of multiple fantasy teams, you play against a team in one league that is almost identical to your own team in another league. Fantasy Doppelganger phenomena is generally seen as a harbinger of a bad fantasy weekend, as rooting for your own team in one league means you are rooting against yourself in another. Feelings of euphoria are quickly replaced by general malaise as success in one league leads to failure in another.
Dennis: Who just scored for the Eagles?
Francis: DeSean
Dennis: YESSS!! wait. . . Oh shit that just killed me. . .
Francis: Fantasy Doppelganger??
Dennis: Yea. . . Fuck
by Dennis Worm September 30, 2009
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Yeah. I'm scared of doppelgangers - quoth Hannelore in Number 1100.
by myrahh of death March 17, 2008
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when a guys penis is in a twin girl's butt and his testicles are in the other twin's mouth
i gave those twins a reverse doppelganger
by Jimma Jamma March 12, 2004
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A theory stating the idea of overlapping looks... Billions of people in the world with millions of different appearances...meaning, there are at least 1,000 people in the world who look identical to you!
Freddy: OMG! I just came back from California and I saw someone who looks JUST LIKE YOU!

Vinnie: SEE, I told you! Fuckin Doppelganger Theory is REAL!!
by TheUltimateGayMan June 26, 2010
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