Idiom meaning, usage examples, facts

1. You have embarrassed and disappointed me several times before. Don’t ask me to go out on a limb for you again.
2. They went out on a limb and lent him the money he asked for even though he was a poor risk. They could have lost all their money.

Synonym: stick (one’s) neck out. The expression suggests that going out on a tree branch that might break is risky. The expression, however, is not used to describe physical risk.