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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.
by Blathudda June 06, 2017
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