Meaning/Usage: To ask someone to stop what they are doing.

Explanation: This is a common way of telling a person to stop something that is bothering you. It is more aggressive way of say, "please dont do that."

"Please stop it! You're giving me a headache."
"Stop it before you get hurt!"
"You had better stop it or you will get in trouble!"

A. "Tommy! Stop it right now!"
B. "Why? I saw other kids doing it."
A. "That's not how we behave in a restaurant."
B. "OK, I'm sorry."

Other Common Sentences

"Quit what you are doing."
"Don't do that!"