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.'