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."
"What, weren't you just hooking up?"
"Yup. I got slutdumped."
by newsie November 13, 2009