It's the time a military member waits in the
country of Kuwait to either go
home to the US or to go into Iraq, usually a period of stasis or
limbo when nothing is happening.
Military
guy calling forward to his unit in Iraq to let them know he's going to be a couple of days over on his leave, "Dude, I was supposed to
fly out last week but the plane
broke so I'm Kuwaiting till they have another one up"