He also talks about nominators who act as "backseat drivers", generally out of affection for their nominees.
I've been traveling for four days with two temperamental backseat drivers.
"It's the only way to keep her from being a backseat driver."
Indeed today's newspapers reported that she had said she would be a "good backseat driver."
She's not going to be a backseat driver by any means.
"There comes a time when you're tired of being a backseat driver, and you're ready to succeed or fail on your own terms."
I collapsed into the front seat - I'm not a good backseat driver - and tried to harness my heartbeat.
He wondered if American pilots had to put up with pushy backseat drivers as well.
"And you're a backseat driver," Thomas muttered, then cursed under his breath.
The cobblestone road, a course of S-curves, is not to be recommended for backseat drivers.
Idiome