FJWL Share definition Flag Acronym for 'Fat Jiggles While Laughing'. To be used in place of LOL, ROFL, LMAO, etc. Can be used by 90% of the American population. person #1: so Charlie Brown, Megan Fox and Angelina Jolie walk into a bar.....person #2: FJWL! FJWL by banlol July 14, 2010 0 0 Get merch Get the FJWL mug. Buy Now — $32.95 See more merch
