Do a number on and Slap down

Slap down and do a number on are semantically related. In some cases you can use "Slap down" instead a verb "Do a number on".

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

Do a number on and slap down are semantically related. Sometimes you can use "Do a number on" instead a verb "Slap down".