ride (someone's) back(redirected from rides their backs)
ride (someone's) back
To frequently or constantly harass, nag, or upbraid someone to do, accomplish, or complete something. The boss is riding everyone's back to get the project finished by next week. Quit riding my back, I'll get it done eventually!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.