Reetbag Share definition Flag Any person who continually says the word "reet". People with the names Joe or Kyle are common reetbags. "Man, I hate reetbags." "Reetbags tick my bones so hard." "Isn't Joe such a reetbag?" Reetbag by Reetbag December 20, 2009 0 0 Get merch Get the Reetbag mug. Buy Now — $32.95 See more merch