shenaniganagains Share definition Flag To engage in the same tomfoolery over and over again. Sally made an office rule that said, "No Shenaniganagains" because Jim and Mark were constantly engaging in tomfoolery. shenaniganagains by Jooba Jooba November 2, 2019 0 0 Get merch Get the shenaniganagains mug. Buy Now — $32.95 See more merch