Definition of "fook"

fook

/ˈfuːk/

interjection
1. (vulgar, Northern England) Fuck.
  Quotations
  I thought, Who the fook is Faulkner? And how's he related to us Windsors?
  2023, Prince Harry, Duke of Sussex, Spare‎, Penguin Random House
verb
third-person singular simple present fooks, present participle fooking, simple past and past participle fooked
1. (vulgar, Northern England) To fuck.