Kitty Kat Wants Your Soul's definitions

For Def Sure

When simply saying 'yes' just isn't good enough. It's like saying yes, but X10. Usually used with an exclamation point

Kat: I'm so hungry
Reuben: Do you wanna get some Chinese food?
Kat: For def sure!

by Kitty Kat Wants Your Soul March 30, 2008