Bag Of Asscheeks Share definition Flag Something you call someone in a derogatory manner, however usually said amongst friends as a joke. God, Brendan, you're such a fucking bag of asscheeks Bag Of Asscheeks by BagOfAsscheeks May 14, 2016 0 0 Get merch Get the Bag Of Asscheeks mug. Buy Now — $32.95 See more merch