An ex-girlfriend or boyfriend who will knot get lost. Play on words: not/knot. Connotes other meanings of "will knot," lending a derogatory air to the disposed of individual, comparing them to something gross stuck between your ass cheeks.
He broke up with her, but she still WILL NOT stop texting him. She's a WILL KNOT and needs to get a life, like, now.
by wachaaaaa November 28, 2010