frigga Share definition Flag an expletive; used in place of using a cuss word Oh frigga! I forgot to take the pizza out of the oven. frigga by sherry November 7, 2002 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