Sexual intercourse, usually used to describe said act as served to a man by a woman. Made famous by the Britishcomedian 'Jethro'.
I was round the back of the chip shop in Bodmin and the owner's daughter popped out and gave me a portion.
By Bess
Portions
Term for collective things between couples.
From kissing to mastubating to oral sex all the way through to full sex.
Used to be unspecific about whats gne on
Be jealous of the meal that other people have in a restaurant when comparing to your own meal. It happens mostly in a situation where you order something new while your friends stick to what they know to be good or viseversa.
"I'm having the shrimp cocktail for a starter. I want to try something new although a caesar salad that you guys are having might cause me to have Portion jealousy."
"What size slice of cake would you like vicar?
Small, medium or Bristol portions"
"Blimey, did you see how much cake Rose had at the office party?"
"yeah, I know, talk about Bristol portions"
By Adelaide
Horse Portion
The side portion of a persons leg that is exposed while seated on the toilet. This includes (but is not limited to) the lower calf, the thigh and the outer butt cheek. Named after its resemblence to the rear side portion of the equine species. Often the first sight of someone who opens an occupied bathroom door that should have been locked.
(roomate opens bathroom door, only to find his housemate having a bowel movement)
-"DUDE! Lock the door when you're taking a dump. No one wants to see your horse portion!"