tripping sack Share definition Flag like tripping balls, tripping sack is being under the influence of drugs that have seriously fucked you up. dude last night i did a slice of shrooms and was tripping sack while watching TV on the couch. tripping sack by timmypalmsss January 21, 2009 0 0 Get merch Get the tripping sack mug. Buy Now — $32.95 See more merch