Naeball
Deffy is when you say Nah so hard it sounds like you just spat out a mouthful of disrespect.
Deffy: "Nah I ain't coming. You're on your own, fool."
Deffy: "Nah, I'm not even gonna try. You're gonna fail, and I'm gonna laugh."
Deffy: "Nah, I'm out. You're on your own, and I'm not even mad."