sto Share definition Flag Usally used by people in the south, and/or 'thugs' Meaning: Store Yo im goen to tha sto, you bitches want something? And dont get it twisted the south IS THE BEST!! sto by Miami November 11, 2004 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