1. Stop doing that right now! Cut that out! A: "Mommy! Sam is pulling my hair again!" B: "That's enough, you two! If I hear a peep out of either of you again, I will turn this car around and drive right back home!"
2. You don't need to continue any longer. All right, that's enough. I think the prisoner has endured as much as he can for one day.
See also: enough
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
Inf. No more!; Stop that! Sue: Here, I'll stack another one on top. Mary: That's enough! It will fall. John: I could go on with complaint after complaint. I could talk all week, in fact. Bob: That's enough!
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.