quanch Share definition Flag a quanch is a person who would serve the world better by being dead. i hate that guy so much, hes such a quanch. quanch by gunch August 9, 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