What kind of punch can take out 40 first graders? A sandy hook.
You have an unusual sense of humor. Do you think everyone will like it though?
It's just a metaphor about the Sandy Hook massacre, it's not that important.
The Sandy Hook massacre might have been meaningful to someone else besides you, so remember that others think differently than you. Just a friendly reminder in case you get others trying to bully you after this joke.
I just think it was a special name for the sandy hook massacre, it wasn't that serious.
Its a matter of taste, children getting killed is not to be taken lightly. Even inmates take those things seriously. You have to make your jokes acceptable too as well as funny. Then you will have more fans and maybe even go work on Comedy shows to make money.