noun
a meddler who insists on giving unwanted advice
• Hypernyms: ↑meddler
* * *
noun, pl ⋯ -ers [count]
1 : a passenger in a car who gives driving advice to the driver
2 : someone who gives unwanted advice or who tries to control something that is supposed to be controlled by another person
Several members of the board of directors have accused him of being a backseat driver.
Useful english dictionary. 2012.