take a knife 

If a fool takes a knife he stabs enemies in the back. A wise man will cut himself free before he wants to stab others in the back!

Take a knife, now cut yourself free!

take a knife by I, Wreckerrr July 17, 2021

take a butterfly knife to your tender parts 

what the father of a teenage girl does to you if you hurt his daughter.

Angry War Veteran Father: "If you hurt her, I will take a butterfly knife to your tender parts."
Frightened Teenage Boy: "Yes sir, I'll have her home by eight."

take a butterfly knife to your tender parts by ThisIsGoingToHurt March 24, 2009