Top Definition
1. Someone who cant go one day (or one hour) without drinking a diet coke.

2. Someone who goes to the bathroom frequently as a result of drinking too much diet coke.

3. A person who is skinny because they use diet coke as a way to feel full, instead of eating food.
"You drank that whole pack of diet coke already?! Its only been in the fridge for one day! You are such a diet coke head!"

-She is always running off to the bathroom.
-Yeah shes such a diet coke head.
by caffeinequeen October 23, 2007
A snobby girl, typically anorexic, clueless, believes the world revolves around her.
Susan are you not eating lunch again, you are turning into such a diet coke head.
by enko February 06, 2005
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