This is the last straw
= the last one of a series of frustrating things that have happened
A: Do you hear those drums upstairs? I've asked them over and over again to practice before 10:00, and now it's 11:00.
B: This is the last straw. I'm going to call the police.
Refs
- All Clear 3, Helen Kalkstein Fragiadakis
idiom, 14-10-28 08:39, 14-10-28 08:39, Yosei