When you have a threesome with two girls that look a lot alike.
Kevin had a doppelgang with Cheryl and Ronda.

Doppelbang- two girls look similar in a threesome
by DFLOMBO January 26, 2016
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The act of having sex with two people that look almost exactly alike.
Kevin had a doppelbang with Cheryl and Ronda, those two ladies look like they could be sisters.
by DFLOMBO February 2, 2016
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A person you’re having sex with with who looks unmistakably like someone else that you’ve already had sex with. The principle of the doppelbanger requires you to finish as quickly as possible given the inherent levels of danger with mating both sides of the doppel coin.
Hey I absolutely threw one into a doppelbanger last night, total double of Julie from last summer. Needless to say I gave her the beans and then left quickly before she killed me.
by Dicky5150 February 17, 2022
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A look-a-like of somebody that you used to date (or have sex with). Similar to the original meaning of "doppelganger" - known as a strangely similar counterpart of someone.
"Dude! Is that your ex girlfriend?" "Nah, just a doppelbanger of her"
by CJ Moose February 28, 2015
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An apparition or double of another living persons genitalia.
I swear I saw my doppelbanger in a porn I watched last night, their junk was identical to mine.
by Rrecordo February 11, 2019
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That sneaky dude who go out and has sex with ugly people while you're busy drinking too much alcohol with your friends.
Naw man, it must have been my doppelbanger again.
by dudebrahace October 22, 2010
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When you see a couple that looks alike, or you prefer sexual partners who resemble you. after the German word, "doppelganger", a word for someone who could be your twin.
Person A: Hey, have you seen Kristin Stewart's new wife?

Person B: yeah, she looks like she could be her sister.

Person A: They are total doppelbangers. She must have got sick of masturbating to her own reflection.
by March 24, 2022
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