run one ragged

run (oneself or someone) ragged

To exhaust oneself or someone else through hard work or effort. I've been running myself ragged trying to clean and organize the house before your mom comes to visit. If you become Joe's personal assistant, don't be surprised if he runs you ragged—he can be very demanding.
See also: ragged, run

run one ragged

Exhaust one, as in I've run myself ragged with this project. This idiom alludes to working so hard that one's appearance is reduced to rags. [c. 1920]
See also: one, ragged, run