A fork of Rural Dictionary
A person that will intentionally sabotage someone else through any means necessary.
He stole from me after I tried to help him, so I undermined him by making sure every business in the area knows that he is a shoplifter. I am an underminer.
A reference that blacks use to describe a certain location
"Damn cuz, there is this sexy bitch that lives in the apartment undermine."
A person who cockblocks a person with a vagina
I wanted to get with Nick so bad last night but Jennifer was being such a vagina underminer
someone who picks their nose and their butt at the same time
You know that one kid in our 2nd period? well he's an underminer.