The process of going out with an attractive girl, making her your girlfriend, making her fat and ugly, then breaking up with her. This probably needs to be done by a fairly attractive and rich man. To frump the girl, he would need to get them to eat more but workout less.
"Man that hottie is such a bitch. I'm going to frump and dump her to teach her a lesson"
by MonkeyCum September 4, 2014
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Someone who is very ugly and unattractive. Very unappealing to the eye.
Ew that guy looks like a complete frump dump with that haircut!”
by Thrashboy April 25, 2021
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