Dicksack Share definition Flag 1) The sack in the front of someones dick, like the sack of the guy with a bagpipe 2) A fat person, a nickname 1) You get a dicksack, you get a dicksack and you get a dicksack 2) Are you in the macdonalds again? Youre such a dicksack Dicksack by Rietje May 18, 2016 Get the Dicksack mug.