When you date, f*ck or generally lust after someone who looks like you or a member of your immediate family.

CREDIT: Elvis Duran and the Morning Show
David's new girlfriend looks just his Mom. Same hair, same face. She's definitely a dopplebanger and it's disturbing.
by EDMS_WGK April 14, 2016
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(n.) a guy who gets girls drunk and then has sex with them (usually in a darkened room) while pretending to be their boyfriend

dopplebang (v.): to intentionally get a girl so drunk that she has sex with you because she confuses you with her boyfriend
(n.) "Don't let Jack keep feeding you shots of Old Crow -- he's a well-known dopplebanger!"

(v.) Michele: "Yo, how did Bill manage to fuck Molly at that kegger when her boyfriend went to the bathroom?"
Michael: "He totally dopplebanged her!"
by Jody R. Gross February 21, 2007
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Someone who is attracted to people who are similar to them in terms of aesthetic or physical features.
"Have you seen Jess's new girlfriend? They could be twins!"

"Yeah, total dopplebanger!"
by Lil scoot July 10, 2018
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Similar to dopplegäbger; someone who looks very much like a person but is hotter than them.
Hey, bro. So there's this new guy I saw at school and he looks just like me but he's , like....attractive. I think he might be my dopplebanger!
by sidekneesidehoe February 29, 2016
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(v.) To have sex with your doppleganger, past or future self, or someone who looks alarmingly similar to you (i.e. your twin)
I totally fucked up the time space continuum when i went back in time and dopplebanged myself.
by BrooklynTrees February 23, 2012
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