Top Definition
British slang describing a girl of loose morals (a slut) who has been with a few too many guys. Normally a very nice girl to talk to but also a bit thick. Also has no problem being passed around a group of mates.
Comes from a box of Roses being a box of assorted creams.
Ian - I'd shag that Lisa any time, she's well fit.

Me - Aye, I've heard she's a proper Cadbury's Fanny though.
by Dougie78 May 11, 2011

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug