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2.
One whom you may only legally target for a shag after the consumption of ten pints of strong lager or alcohol equivalent due to her extreme level of ugliness.
"Jese, check out that 10 pinter! easy shag or what?!"
by Jack May 25, 2003
 
1.
A lady who's "inner beauty" only becomes apparent after a gallon of wife beater/ being viewed through "stellavision".

A woman with great personality
Had the beer goggles on last weekend, eh Ian? Saw you going at it with a right 10 pinter!
by shitty Nicko November 25, 2004