Basketball:
A: Over here
B: Im open
Flight: look! look!
Teammate: *passes the ball*
When you type "okok", but autocorrect forcibly changes the word to "look" before you send the message out and you have not the time, energy, or patience to correct the spelling. This is an error routinely committed by former journalists or those who reply to messages days or weeks late.
"Let's have dinner/lunch/breakfast/drinks/coffee/tea next week?"
"Look"
A way to tell someone to be ready for something bad to come when you are not in a good position to fight back.
Bullied guy( lets call him Ivan): *talks*
friend of bullied guy (lets call him Max): Ivan, look out the window, the delinquents are coming for you...
Ivan: Oh sh*t, WHAT Do I DO??