gaffer Share definition Flag BRITISH informal a person in charge of others; a boss. "street cleaners stopping for a smoke when their gaffer isn't in the vicinity" gaffer by karientoch March 18, 2019 Words you can keep railfan mug chonk mug chud mug based mug 67 mug slime mug mogging mug chopped mug thot mug glazing mug huzz mug yams mug larp mug unc mug cracked mug simp mug baddie mug bop mug lolcow mug