Quote
1. Quote - Listen to the quote and guess what the slang means.

“I told you to look out, man.”
- Mason after hitting Dale with a ball.
2. Video - Watch the video before learning the definition.
Definition
1. Definition - Study the definition.
be careful, be aware
2. Use - Learn how the slang is used.
Sometimes knowing the right idiom can be a matter of life or death. If something is about to hit someone, or something dangerous is about to happen, you have less than a second to say the right thing and save that person from harm. The short and useful phrase you need is look out!
When you say look out to someone, it makes them stop what they are doing and look around and be careful. If someone is about to walk in front of a bus, you would shout look out to stop them.
Of course, look out can be used in less serious situations too. For instance, if you throw a ball at your friend and it’s about to hit him in the head, you could say look out and he might notice the ball in time to catch it.
Can you think of another time it would be helpful to say look out?
Examples
1. Examples - Hear some example sentences.
“Look out! That painting behind you is about to fall.”
“Hey, look out! You almost ran into me.”
“Look out, ma’am! You could get hit by a car in that street.”