Roast Beef Purse
The description of a females vagina that has been used to the point that the labia are unrecognizable and take on the form of roast beef. Considered to be one step beyond a ham wallet.It is possible however to have a ham wallet hidden within a roast beef purse... More commonly found in prostitutes.
"Damn, I nailed this 40 year old lady last night and she had a gnarly roast beef purse!"