saved by the blood

an expression based on saved by the bell, saved by the blood is used when someone gets hurt, and while it doesnt seem too bad, when it starts bleeding people take it worse and let you get off easier for being hurt, However, saved by the blood does not always work, for example in a street fight you will not be saved by the blood.

Drew: why isnt will playing?

Jose: he got a real bad cut on his leg he's bleeding alot.

Drew: pussy was saved by the blood.