Having sex with yourself through the creative use of a time-machine.
Twilight is so gay that in order to be gayer, you'd have to be discovered with a time machine, doppelbänging yourself.
by Seapoo June 7, 2010
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A simple solution to a complex dating dilemma: Joe asks Cindy out on a date. Cindy agrees on the condition that Joe will find a date for her mentally retarded cousin Patti. Joe hasn't gotten pussy in 972 days, so he lies to his good friend Bob and says that Patti is a super hot nympho with no gag reflex. Bob is elated until the date, at which time he discovers that Patti is not as advertised. Bob has standards and will not lay pipe in Patti's retarded twat, but he is a good friend and knows that Joe has not seen pussy for 972 days so he does what any good friend would do... Bob calls in his doppelbänger - who takes one for the team - allowing his good friend Joe to FINALLY see a patch of snatch, Cindy is overjoyed that her horny, helmeted cousin finally got some trouser snake, and everyone goes home happy!
Tommy: I heard you banged out Yeasty Yolanda at the party last night!
Bob: Ohhh HELL NO! I had to call in my doppelbänger to do the dirty deed.
by Jumpingrat October 29, 2019
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The act of having an orgy, but with only twins involved.
Man 1: Hey, what are you up to?

Man 2: Not a whole bunch, me and my twin met another group of twins, and we're waiting to find out if they want to get Doppelbänged tonight.

Man 1: Why not call it.. No, actually that's really good.
by ThisDarkKnight August 6, 2013
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Gay boyfriends who look so much alike that their friends have trouble telling them apart.
Now that Tad and Thad have reached the wearing each other’s clothes stage of their relationship I have no way to tell the doppelbängers apart.
by IAmTheMaskedAvenger April 15, 2020
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A person who resembles another while having sex.
Guy: Stacy has a doppelbänger. I just slept with Stacy and it was just like when I hooked up with Rachel.

Girl: Jason and Chad are total doppelbängers. I was with Jason last night and he felt the exact same as Chad.
by xBANGARANGx October 14, 2014
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