(The) Straw That Broke the Camel’s Back

What does the idiom “(The) Straw That Broke the Camel’s Back” mean?

Definition:

A single small thing that exceeds a limit of patience

For example:

“I’ve put up with Eduardo for a long time, but when he criticized the color of my car, that was the straw that broke the camel’s back.”

Notes:

You can also just say “the last straw.”

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