fach Share definition Flag A term used for face; the fancy way of saying face. Dude, Shut your fach. fach by Dave Eddy March 22, 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