Top Definition
1. One who is often found publicly masturbating, oftentimes near gross areas, such as sewage treatment plants, or garbage dumps.

2. A cumster found in a dump
You: "Yo dude, did you see that guy jackin' off back there?"

Friend: "Yeah, he was a real dumpcumster"
by pikminion May 31, 2011
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.