BACK OFF MAN!!
Back off I say.
Watch it! You try that again and I'll...BACK OFF!
You're pushing me too far, I'm gonna do something both you and I will regr...BACK OFF!!
My fury hath no pity on your ass, man, so back off right now...
I'm really gonna do some damage to your person, you'll be in traction for months.
HEY, STOP THAT, BACK OFF!

Oh! It's you Bruce! Hey sorry man, didn't know it was you.
Yeah, how you doing?
Me? Oh pretty good, thanks for asking...