hold it
1. Stop. Hold it, everybody! This scene just isn't working. Hold it, let that woman cross the street first. Hold it right there! You're under arrest!
2. To wait to urinate (typically because a bathroom is not available). A: "Mom, I really have to go!" B: "Can you hold it for a little longer? It's a few miles before the next exit."
Hold it!
Inf. Stop right there. Tom: Hold it! Mary: What's wrong? Tom: You almost stepped on my contact lens. Bill: Hold it! Bob: What is it? Bill: Sorry. For a minute, that stick looked like a snake.
Hold it!
exclam. Stop right there! Hold it! Stop!