twinsex

When a twin has sex with their siblings girlfriend/boyfriend while pretending to be them.

1: My brother just tricked my girlfriend into having sex with him by pretending to be me, should I murder him?

2: That's some messed up twinsex right there dude. I would definitely murder him. And John, I'm here for you if you need me.

1: Ok, thanks for the help girl. Now that you mention it, I could use some company tonight, I'm feeling pretty despondent.

1+2 Have sex.

2: That was amazing John.

1: Well, that's because I'm his brother Dave, Johns still crying about me banging his wife.

2: *Murders Dave*

twinsex by J.I.V.L August 12, 2016

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Twisexual

Anyone who is unduly enamoured of the Twilight books/movies. Such individuals are typically characterized by their obsession with Edward Cullen, the main protaganist of the series, and lack any rationality or intelligence when it comes to the subject.

Edward Cullen Look-Alike: Hello.
Twisexual Girl: Oh my God, you look just like him! (immediately bends over)
Edward Cullen Look-Alike: *fap* *fap* *fap*

Edward Cullen Look-Alike: Hello.
Twisexual Guy: Oh my God, you look just like him! (immediately bends over)
Edward Cullen: *fap* *fap* *fap*

Twisexual by TheSovietCollossus July 7, 2010