Save (one's) skin informal verb phrase
To save someone from a situation of failure, danger or difficulty
In these hard times, everybody is trying to save their own skins.
He really saved my skin as he lent me a pen when my pen ran out of ink right in the middle of the test.
Used to to emphasize that attention is paid to the individuals who complain or cause problems
To assist someone to do something illegal or wrong
Use one's influence and power to support someone
To not spend over one's butget
The verb "save" should be conjugated according to its tense.
The phrase "save your/somebody's skin/neck" dates from the 1500s. "Skin" in this sense refers to the body and "neck" is an allusion to hanging or beheading.
If you fall for someone's trick the first time then they are at fault.
Are you going to mess with me again? Fool me once, shame on you; fool me twice, shame on me.