im off that shit Share definition Flag Something a drug addict would say when trying go straight, but if this is said, it usually means i'll be back soon for a hit Marc- "Ah man, im off that shit for good now" Dealer- "Ok man, see you soon" im off that shit by ¤Th褻Gºd«¤Th冤Fåîlèd¤ September 25, 2005 Get the im off that shit mug.