A very unattractive person who thinks they are the bomb when they really aren't. They usually have no teeth and hair talking bout "Yo whats your name" up in the club knowing they have no money to buy you a drink!
A Bremerton Navy Man up in the old South Pacific, asking you to buy him a drink! This would be a yum.
by Yummy Mommy July 10, 2008
A random word that shows indifference. (In other words, you tell me about your day, I don't care but I have to say SOMETHING.. That's where yum comes in!)
Justin: I talked to Ashley today.. We got in a fight and she told me that I was worthless and a bad boyfriend and my hair is ugly and etc. etc.
by Lindzee May 14, 2004