There were a lot of comics that featured some form of smacking of the rear, frequently with a hair brush. Professor Lang barely remembers in time that his daughter's a little old for a bit of corporal punishment here:
Pa Kent tried a "paddle wheel" on Supertot:
Pa Kent apparently forgot this lesson later:
And:
Ah, but every boy grows up to be a man and must discipline his own son, as Clark does here:
Lois and Lana take (unsuccessful) turns here:
And more:
In all the spanking sequences this is one of the few that actually resulted in pain to the recipient:
Update: Some amusing letters on the topic of spanking:
Note the interesting arguments: She deserves it versus Superman would never hit a woman. Important social lessons being taught there. I'll have to look around for the baby Lois spanking bit.
This letter and the response drew a reply from the North Shore Corporal Punishment Fan Club a few issues later:
