to dump someone that you were just hooking up with and not even actually dating. Usually done through an unceremonious medium like a text mesage or Facebook chat.
"I got a text from him this morning saying it was over."
"What, weren't you just hooking up?"
"Yup. I got slutdumped."
a girl everyone hooks up with just for the fun of it or because they have no one else to hook up with. they may have feelings for her but not too much, just a tiny bit but they wont let her know that. shes just a one night stand to them.
bob: i have no one else to go to
boob: go to that sludem, not like your going to date her
sludem - one night stand chick
jack : omg jill that girl is such a sludem
jill : i know that must be sad to be a sludem
A particularly easy-to-use repository for cum, typically a female of much lower class.
Etymology: Probably a portmanteau of Middle English "slut" and Modern English "cumdumpster," but possibly a portmanteau of "cumdumpster" and Modern English "slum."
"I love my wife, but she doesn't alway satisfy me, so sometimes I have to drive down to the projects and find a slumdumpster to drop my load in."
"Our cleaning lady can't clean worth shit, but she's cheap, and she lets my roommates and me use her as a slumdumpster. Saves on tissues!"
"Mark's girlfriend doesn't like to swallow, so she hired a cheap slumdumpster to dump his wad in when they're done."