jackinini Share definition Flag fat annoying person ((made up by ned flanders from the simpsons)) Homer:YOU HAVE TO MOW MY LAWN IN YOUR WIFE'S SUNDAY DRESS!!! Ned:YOU GOT YOURSELF A DEAL YOU JACKININI! jackinini by sam tonge October 7, 2008 0 0 Get merch Get the jackinini mug. Buy Now — $32.95 See more merch