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1.
After using a urinal you're permitted to remove any excess urine off by shaking your cock twice. Three times you're just having a wank.
It's occasionally difficult to tell if people are simply ignorant of the three shake rule or if half the population of galway are chronic masturbators.
by Elburno February 21, 2008

Words related to The Three Shake Rule

cock galway masturbators urine wank