How to deal with a bully p.t 2

Bully: hey ugly
Me: wut
Bully: I can't wait to hurt u!
Me: u know bullying isn't nice.
Bully: I know and I don't care
Me: well then* gets knife and walks up to MAl*
Me:* stabs her *
MAI:mind: why meh?
Bully hey that wasn't nice
Me: bullying isn't