by Dalmas January 03, 2014
The true usage of the phrase is to claim that you simply 'do not know', however, the phrase is often interpreted as 'Fuck Nose' which may cause offence to the listner. This mis-interpretation is often replied to using 'Cunt Face' which is regarded as the appropriate answer.
by Mystick Havok January 21, 2008
Wife: When are you comming home?
Husband: Well I've got all this paperwork to do. I won't be back till fuck knows when.
Neighbour: Oh, you're looking for Steve? He's gone on holiday, won't be back until fuck knows when.
Husband: Well I've got all this paperwork to do. I won't be back till fuck knows when.
Neighbour: Oh, you're looking for Steve? He's gone on holiday, won't be back until fuck knows when.
by Tom_NZ May 01, 2007
Someone whose father is an intellectual and their mother is a prostitute or simply stated; it's what you get when you cross a whore and a computer!
Fucking know-it-all: Anyone who forcibly interrupts, believes what they have to say is more important, makes more sense and is adamant more truthful than what is being presently stated by another person or persons!
by Waldo Pepper III August 03, 2019
by FuckIfIKnow November 26, 2013
Hey Jack when are we leaving?
"At approximately ...fuck knows o' clock. Tomorrow."
What time is it?
"Fuck knows o' clock. Get a watch."
When did you fall asleep?
"Um, at fuck knows o' clock. I don't know!"
"At approximately ...fuck knows o' clock. Tomorrow."
What time is it?
"Fuck knows o' clock. Get a watch."
When did you fall asleep?
"Um, at fuck knows o' clock. I don't know!"
by HyperLynx September 23, 2016
by bitchdipshit February 20, 2021