Ladies genitals, Muff, vagine, pussy, gash, et al. Not a nice thing particularly, sometimes nasty, others find lovely.
Derogatory term used to describe the health of ones orifice.
Well, then I had to see the doctor, after that all-nighter, my boyfriend reckons I've got an infection in me prawn sack!
Cuz, i went to that strip show and she lifted her skirt, I got a squizz at her prawn sack, ah, it was choice bro!
I loved her so, beautiful brown eyes, turned up nose, perky breasts, wonderful sense of humour and a well manicured prawn sack.