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Most definitely never, ever EVER going to happen.
Your good friend: "You and that girl are cute together!"
You: "Def-not."
by Logan Hahn February 14, 2009
3 2

Words related to Def Not:

bye deff not defnot def yes em hell no hue no poop sugille tone
Slag for 'Deffinitly Not!'
"Wanna kiss my ass?" "Def Not!"
by Briggmyster June 16, 2006
6 2