A "Cum Dumpster" may either enjoy this behavior or may be too stupid to understand that they are being used for this purpose (see: cum-dumbster). This behavior may coincide with those of a slut/skank/slore/skeeze/whore.
Alternate spellings include "cum-dumpster", "cumdumpster", and "Bobbi Starr"
Guy #2: "Christ, what a Cum Dumpster."
1. A young woman who is such a whore that she will fuck anyone and everyone and everywhere she can whenever she can, even on a fresh grave.
2. she also enjoys swallowing semen
guy 2. yeah
guy 1. man that girl is such a cumdumpster you better get your shit checked out.
guy 2. fuck!!!