M.W.I.A
A lie people tell when they got caught doing something embarrassing and ran off together, like getting caught sneaking snacks.
He said he was M. W. I. A. but I know he was caught eating chips in the middle of a mission.
They were M. W. I. A. because they got caught stealing the last pizza.
She texted me, 'I’m M. W. I. A. and I’m not coming back until I get my pizza.'