Euphemism for a large, well used vagina.
Dave: So I finally banged that Daisy
Wallace: Oh at fucking last! So how was it?
Dave: Well... those rumours about her fucking a football team must be true, her pussy looked like a pastarmi cave
Wallace: Oh dear
Dave: Felt like I was fucking the grand canyon.

Wallace: Or you have a small cock.
by Pastrami Salami April 21, 2011
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