G.T.S Share definition Flag G.T.S.. Google That Shit! When someone doesn’t know anything about a subject, but grabs their phone and suddenly becomes an expert… They G.T.S! What bro? Did you just G.T.S? G.T.S by OG WEASEL October 21, 2023 0 0 Get merch Get the G.T.S mug. Buy Now — $32.95 See more merch