Elbow Arse 

A woman who has an arse that resembles a pair of elbows

If you like that skinny birds elbow arse, you're in the elbow arse brigade.

Elbow Arse by Bushead March 30, 2015

Arse over elbow 

This is another way of saying head over heels but is a little more descriptive. Usually happens after 11pm on a Friday night and too many lagers!

I'd had a bit to drink you see and I just went arse over elbow!

Arse over elbow by olx May 23, 2011

arse over elbow 

British slang for "head over heels"

I'm arse over elbow for that lassy

arse over elbow by Hoe-Slaya January 26, 2015

arse over elbows 

when you fall over in dramatic fashion

i fell arse over elbows, did you see it happen,

arse over elbows by jaffaw July 19, 2009