A state of mind and body when an idiot feels a great amount of aggression and anger. This is measured in levels from 1 to 1,000 which is called Bullmode. Symptoms of Bullmode include: Blood shot eyes, lack of clenlyness, uncut fingernails, large scratch marks on ones arm from bottled aggression, silence, lowered head in which resembles a bull, sudden charging the person or thing that caused anger, hence the name Bullmode.
Also See David Style
Boy 1: I accidentally dropped a soda can on davids foot and he went bullmode on my ass!
Boy 2: Really? He's such a david style!
Boy 1: Yeah, he tried to tear by eyes out but I'm too fast for his david styleness!