shiznit Share definition Flag shortened term for "that is the shit, isn't it ?" "that taco's the shiznit!" shiznit by mierda March 18, 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