1 definition by Renf

The act of washing one's manlihood in the sink, most commonly practised with water although on VERY rare occasions (once) done with mouthwash.
He decided a quick 'Slossing' was needed in order to freshen up in preparation for doing the "uhh."

I was on a promise, but after throwing shapes all night I knew I'd have to give my balls a quick 'Slossing.'
by Renf September 15, 2018
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