fag1 [***] Show IPA verb, fagged, ***⋅ging, noun –verb (used with object) 1. to tire or weary by labor; exhaust (often fol. by out): The long climb fagged us out. 2. British. to require (a younger public-school pupil) to do menial chores. 3. Nautical. to fray or unlay the end of (a rope).