the straw that breaks the camel's back
idiomPart ofcamel
the straw that breaks the camel's back — idiom
1. the last small problem or annoyance that makes you finally lose patience or give
1.idiom
Definition
the last small problem or annoyance that makes you finally lose patience or give up, after many others before it.
Example
The leaky roof was the straw that broke the camel's back, so Priya decided to move out.
When the bus was late again, it was the straw that broke the camel's back for Tomás.