not now chief, I'm in the fucking zone 

A catch phrase popularized by the video "My New Haircut." Said when someone is on a roll or in a state of extreme focus and does not wish to be interrupted by someone that he/she deems unimportant and irrelevant.

From "My New Haircut":
Guy at desk: "Sir, you have to sign in."
Guido: "Not now chief, I'm in the fucking zone."

Kindergarten Teacher: "Who wants to read the next couple pages of 'The Cat in the Hat?'. Let's see...Jimmy, how about you?"
Jimmy: "Not now chief, I'm in the fucking zone."

not now chief, I'm in the fucking zone by Nicholas D January 20, 2008

Not now chief, I'm in the fuckin' zone!

An expression demonstrating the fact that one is in a focused state and cannot be bothered with minutiae. Originated from the viral video "My New Haircut"

Gym Attendant: "Sir, you need to sign in."
Creepy Italian Dude: "Not now chief, I'm in the fuckin' zone!"

Not now chief, I'm in the fuckin' zone! by PranzTheGodfather January 21, 2008