1 definition by Trevor Fuckin LeBlanc

Named after a popular Arby's sandwich, a mx-a-melt is a sex act in which you pee on your partner while giving them a titty twister.
I totally gave the bitch a mix a melt and her titties were swollen and covered in piss. It was ILL!!!
by Trevor Fuckin LeBlanc June 14, 2006
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