The union jacks Share definition Flag 1. Where Alex goes to urinate.2. The most hilarious joke in the world. Peter: Alex's going to the union jacks. HA HA HA.The Jew: God Peter's stupid.Liam: fap fap fap The union jacks by RoryGalway February 12, 2010 0 0 Get merch Get the The union jacks mug. Buy Now — $32.95 See more merch