Lay down the law and Slap down

Slap down and lay down the law are semantically related. In some cases you can use "Slap down" instead a verb phrase "Lay down the law".

Slap down verb - To put a stop to (something) by the use of force.

Lay down the law and slap down are semantically related. Sometimes you can use "Lay down the law" instead a verb "Slap down".