ook /uːk/verb 2exclamation 1forms 3 verb2 •To make the cry of an ape or monkey. •(slang, offensive) Of a black person: to speak gibberish or nonsense.Starts ooking and eeking About Slavery, Racism, Hair Salons, etc! — 2012 exclamation1 •Used to represent the sound of the cry of an ape or monkey.He tapped the Librarian on the shoulder. "Excuse me —" "Ook?" "Those guys just called you a monkey," said Glod. — 1995 formsooked · ooking · ooks