Top Definition
A person who will act like they like you, but is really just being totally vane and doesn't care about you/your feelings at all. Basically, a major tease, a flirt.
Dude, Scarlett O'Hara is a major leader-onner. She didn't care a thing about her dead husbands.
by thefancyapple August 29, 2009
6 Words related to leader-onner

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