Fook is the British version of the word fuck, and is used mostly by Americans as a joke
Oh what the fook mate, you're just a stupid ass bloke!
The word you want to use when you want to say "Fuck" but your family is all around you or you not supposed to curse
Predominantly used by Tfue and Conor McGregor.
"What the fook" "Shut the fook up"
To be a foolish criminal / crook someone who can't commit any crime without getting caught.
"U ah fook as n*igga u know dat"
"Oh he ah fook can't do notta ting wit out getting caught"