When a male performs an impromptu washing of his genitals in anticipation of receiving unexpected oral sex.

Usually occurs in a restroom at a bar, restaurant or gas station and involves using a wet paper towel.
Since I hadn’t showered in two days and Rachel was gonna slob my knob, I ran to the restroom for a quick gentleman’s wash.
by Eaton Holgoode June 2, 2018
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To hastily clean your manhood in the basin of a pub’s toilets in preparation for a forthcoming sexual act with someone you’ve just met.
Dave hoped the bird he was giving a ride home to would give him a blowjob on the way so he had a gentleman's wash
by tropical February 4, 2006
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the washing of the male member in the sink usually in the toilets of a pub/club before the act of sex with a one night stand or a 10 pint princess
i've just pulled best go freshen up and have a quick gentlemans wash in the bog
by the real SteveB October 28, 2007
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The washing of ones genitals, usually in a pub toilet, before having casual sex after realising one hasn't bathed in a while.
Shortly before taking a girl into the car park for a good seeing to Jeremy went to the toilets for a Gentleman's Wash.
by Cleveland Steve March 19, 2009
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Tim didnt have time for a shower, so he got his fella out for a "gentlemans wash!


by Joe September 23, 2003
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Judge Taylor was disciplined coz he got caught in his chambers having a gentleman's wash from a cleaner. She was on her knees when the court usher walked in. Twat, never locked the door.
by tykki December 30, 2022
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