Our higher education department should crack the whip against them.
He took a step toward them and cracked the whip.
I think I'll need somebody on that line to crack the whip over them every so often.
You've got to crack your whip over that lot, girl.
"You crack the whip on everything else; leave Bob that scene to me."
He cracked the whip to draw everybody's eyes to him.
Something big enough that she had to jump when he cracked the whip.
But officials were in no hurry to crack the whip.
Well, at least that explains why she's cracking the whip over us this way now!
They were rather too fond of cracking the whip at first.
Idiome