To faint,Collapse, be shocked,panic, to die
When i walked back i thought i was going to keel over
when i saw the gun i nearly keeled over
Noxa_によって 2007年06月12日(火)
to fall, collapse (from the image of a ship careening so that the keel is raised)
He looks like he could keel over at any minute.
The Return of Light Jokerによって 2010年12月03日(金)