misewell Share definition Flag Comes from the aussie slang for "May as well". Use when lazy and/or aussie and/or drunk. Midge: Yo, Anf, wanna go scout some poon down at local convenience store? Anf: ......misewell. misewell by Midge May 13, 2004 0 0 Get merch Get the misewell mug. Buy Now — $32.95 See more merch