Up The Wrongun 

the act of a man sticking his "thingy" in a chicks shitter if he's one lucky son of a bitch for havin a mrs that lets him get away with that sorta thang !!

God intended for women to take it up the arse avery once in a while or he never woulda put the 2 holes that close together that us blokes could make the mistake in the first place

Wendy: i think my arse grapes are playing up again
Snarfy: nvm, let me do you up the wrongun n poke em back in with my "thingy"

Up The Wrongun by Snarfy June 7, 2009

Up the wrongun 

Anal sex. From 'up the wrong one' in reference to the anus as opposed to the vagina.

She takes it up the wrong'in

Up the wrongun by JC October 19, 2004

up the wrong'un 

A description of anal sex, which has links with the west country region of the United Kingdom.
Can also be used when being downgrading to certain induviduals.

Last night Brenada was so horny that she made me flip her over and take her up the wrong'un!
He's so ugly I think he must of been conceived up the wrong'un!

up the wrong'un by jgk232 March 3, 2005

skyped up the wrong 'un 

anal sex without permission

Girl: Why are you walking funny?

Man: I've been skyped up the wrong 'un?

skyped up the wrong 'un by trailbleza June 15, 2011