The act of declaring that one is good at something right before fucking it up.
Derives from Star Wars Episode III: Revenge of the Sith where Anakin Skywalker says this to his former master Obi-Wan Kenobi right before lunging at him and getting his left arm and both of his legs cut of by a lightsaber.
Obi-Wan: "It's over Anakin, I have the high ground"
Anakin: You underestimate my power!"
Also Anakin: (Lunges at him and gets fucked by his laser sword and then caught on fire)
Thinking something would be easier to do until you start to do it, what some people would call doing something from an armchair.
Don't underestimate the funny/silly looking guy/girl trying to disarm you, for he/she can go from funny/silly to serious and grown looking/sounding like a light switch, and bad things happen to people that underestimate him/her. His/her bag of tricks is deep, and they can all die.
Cigarette: Northern slang for a cigarette, used oft by mashed up mancunian ravers becasue of the resemblance of a hot(electric)stove to the end of a lit cigarette. Originated circa 1991 in the early halcyon days of the rave culture; we speculate during a drug fuelled hallucination by said manc.
'fuck me noel, i am bolloxed, is that a ciggy in your mouth, or the stove from me 'nans kitchen'/
General use: 'Give us a stove you cunt'