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The act of a man masturbating himself to climax in a urinal in a club, usually because his date has ditched him and it is slim pickings for sloppy seconds.
'So she hooked up with somebody else then? What did you do?
'Well everyone else out looked like Russian female weightlifters so I just has a frosty john in the toilets.'
'At least you got a happy ending then bro.'
by little manboy September 20, 2015
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