Top Definition
A malloon is a hot,sexy,fun girl. She is usally amazing to be with and will always make you laugh. You can go to a malloon for anything. A malloon will always make u feel happy when your sad. She is one and a kind.
Girl: WHY IS EVERY BOY TALKING ABOUT A MALLOON?!
Boy: dude, you dont know what a malloon is? Malloon is hot as hell.
by malloon world December 30, 2011

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