Yep, the Jints had one timeout left at the end of the game.
Ah, okay, then. So the thing then would be to do something to kill the clock as quickly as possible without a penalty, then call time. If he takes a knee, do the refs blow it dead, like they do if the QB does it, so does someone have to touch him? My guess is no if he lost control of the ball, then its like a fumble. Everyone has a shot at it. The holder has to pick it up and then get downed by a defender. So, just dive into the line and make contact with a defender, then take a knee, and call time. Of course, the defenders can avoid touching you to keep the clock going. That would be a strange sight, the offensive player running around trying to get touched and downed, and the defenders avoiding contact to keep the clock going...?
Of course, all this is easy for me (us) to say. We're not in the game under the gun with the season on the line. Still, as others have noted, the Special Teams coaches should have trained the players what to do in the event of various happenstances.