twincest

To date, "hook up" or flirt with someone who closely resembles a friend to avoid messing up the friendship.

Girl 1: Dude, that kid totally looked like your best guyfriend!

Girl 2: I know! I had twincest with him.

by RainbowRider January 1, 2011

Twincest

A word pertaining to the pairing of Fred and George Weasley, twin boys from the Harry Potter Series.

I absolutely love Twincest, even though James Phelps suggests it's wrong

by PunkxxRoyale December 28, 2009

pimp my twinset

Another example of ethnic diversity in suburban England.
Dreary daytime TV show watched by bored charity-committee women craving passion from a plumber and a sexy alter ego called Clarice with skull tattoos and a nipple ring below the lace collar.

'...welcome to PIMP MY TWINSET! Today we will be investigating clitoral swab art and pimping up the twinsets of Patricia Routledge, Princess Anne and Dame Judi Dench...'

by ButtoxGalore January 21, 2008

Twincest

When two twins both female do anything sexual to either each other or to someone else with each other.

The twins both screamed at the word twincest.

by PainCorp July 11, 2004

Twincest

When twins get together in a odd and disturbingly immoral relationship to the out side world. A mix of incest and twins.

Laurie: damn you see those blonde twins over there, they are having a twincestual relationship
Josh: that is gross, and not to mention immorally disturbing.
Laurie: damn straight it is,andi thought the girl was hot.
Josh: obviously so did her brother.
Laurie: just like those gay scots the proclaimers.
Josh: lool

by Chizeej- on behalf of Lozz April 25, 2007

Twincest

An incest between twins!

Ex:
Wow, Michael and Matthew are twincest GOALS!

by BobbySmallGland November 17, 2018

twincestual

Twin + incestual

That is fucking horridly twincestual.

Do not go on TwinTok, there’s a lot of twincestual content.

by LingDanc803 October 28, 2023