As a middle-aged person with teenagers, I occasionally run up against language that Kids These Days are using. Yesterday, I learned “groutfit” when another mom posted on Facebook that her son came home wearing someone else’s shirt: he was mocked for wearing a groutfit, so he traded shirts with a friend.
A “groutfit” is a gray outfit.
Apparently there is also a “bloutfit,” but this requires disambiguation, because it could be a blue outfit or a black outfit. Kids These Days.