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2.
Very dry. A nuns vagina should be dry (supposedly) and therefore to say this means its very dry.
"Hasn't rained in months, its as dry as a nuns nasty"
by strtmvs January 11, 2012
 
1.
beer-less place. Aussie-speak.
Well, mate..get off yer sedentary butt and go get us some Foster's! This place is dry as a nun's nasty!
by hytham_hammer July 08, 2005