1. Word commonly used in reference to women who pride themselves on their unusual propensity to consume large quantities of jizz within a very short period of time
2. Also used to describe women with a "dick is dick" mentality.
Girl 2: After I found out he'd been with that cum dumpster I couldn't stand the sight of him any more. She's been pounded by more men than Debbie Dallas.
Girl 1: Wow your pissed
Girl 2: He'll get his when he's broke and she leaves him for the next fool with a little bank to support her.
John: I'm not surpised. Two of my boys hit it last week. She is such a fucking cum dumpster.
2.Vitale is Michael's Cum receptacle. He sucks the juice right out of his balls and is then thrown to the wayside.