Jerkoff Share definition Flag someone who is a complete prick, but at the same time manages to be a loser and a flamer. man, what a jerkoff he is. Jerkoff by me March 12, 2003 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