The phrase 'Bail Out' means to help, to save.
Example of Use: "My parents had to bail me out last month when I didn’t have enough money to pay my rent."
The origin of the idiom 'bail out' is old and quite venerable. Dating back to the 1580s, the term was used to describe the act of procuring a person’s release from prison by posting bail. Ever since then, people have used the term 'bail out' to describe the literal or figurative act of coming to someone’s rescue – either physically, financially, or in some other way.