bleed out

verb

An instance of exsanguination or of major blood loss.
“There are shootings, stabbings, car wrecks, falls and other accidents that can create a fatal bleed out situation.”
An instance of any system or item that loses its necessary components, such as a machine and its fuel or a company and its money.

To die due to excess blood loss; to bleed to death.
“But we never got to take the shot I'd been trained to take, that beautiful single shot that takes out a man's head, or the gutshot—Chris Kyle's favorite—that allows him to bleed out and die a little slower, maybe think about all the ways he might have lived a different and better life.”
To kill by causing such bloodloss.
To leak out; to spread.
“Most slang begins in small communities, but some words bleed out into wider society over time.”