“Getting the green light” is a slang expression that means to “be allowed to do something”. We all know that when we are driving a car on the road, a “green light” means “go” or “you can drive”. In life, getting the “green light” means “getting permission”.
Here is a real life example:
I really want to take a long holiday this year. I’m all ready to go. I am just waiting for the green light from my boss.
I hope you enjoyed that lesson! I am sure it will be helpful for you. In today's world, it's important to sound great when you speak English with native speakers. Click on the link for an amazing program to Learn a REAL American Accent