work (one's) last nerve(redirected from works her last nerve)
work (one's) last nerve
To irritate or annoy one in a way that will likely up to the limit of one's patience. Her sarcastic comments are really starting to work my last nerve. The kids are working my last nerve. Would you please just take them out to the playground or something before I lose it completely?
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.