look here!

look here

Listen closely. Often used as a way to emphasize one's authority over the person one is speaking to. Look here, sonny, I've been doing this since before you were born.
See also: here, look
Farlex Dictionary of Idioms.

ˌlook ˈhere!

(old-fashioned) used when you are going to say something important to somebody and you are annoyed or angry: Look here, I’ve been waiting to be served for half an hour. The service here is terrible. Look here, I paid a lot of money for this car. I certainly didn’t expect it to break down after a month.
See also: look
Farlex Partner Idioms Dictionary
See also:
  • look here
  • AIIC
  • up with
  • up with (someone or something)
  • motherfucking
  • what, me worry
  • no fox given
  • cat got one's tongue
  • Cat got your tongue?
  • has the cat got your tongue?