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2.
Oh hell no -- An interjection that points out the user is outraged with something previously said or done.
BOY 1: So, I'm going to go to Rochelle's house.

BOY 2: {walking past, throwing a wadded sheet of paper at BOY 1's head} Faggot!

BOY 3: O.o Um. Are you going to take that from him?

BOY 2: You f**king faggot! I hope you die!!

BOY 1: It's cool... It happens every day.

BOY 3: Every day. You're kidding.

BOY 1: Nope.

BOY 3: Oh hell no. Imma go deal with that fool.
by xeirix August 17, 2011
 
1.
Absolutely unacceptable, mixed with outrage directed toward the question.
-"Would you ever go out with your ex again?"
-"Oh Hell No!!!"
by AtinMando February 04, 2009
 
3.
According to Gabriel Iglesias, the sixth level of fatness. You're in an elevator. You see an example of this trundling towards you. You quickly run to the "close door" button, and yell "OH HELL NO!"
*Johnny and Mark are in an elevator, and someone really big is approaching*
Johnny: "Oh hai fat person!"
Mark: "OH HELL NO! *runs to button panel and shuts the doors*"
by Xterra1 December 10, 2012