Is a adjective used to describe the over excersion of the abdominal muscles. This can happen when you lose your shoe on a metro station, example paris metro. This also happens if you fall down stairs, or get hit by a bus, or have hang with some really dirty ponytails.
"MAN!, what an abstillurtnight"
"MAJOR abstillhurtage!"
or as a noun
"my abstillhurt"
by mhairi jessica April 29, 2006