What's the most offensive word I can use that isn't a slur?

https://lemmy.world/post/36683904

What's the most offensive word I can use that isn't a slur? - Lemmy.World

Fuck and shit just ain’t cutting it anymore.

Fungdark
I’ve heard that before but cannot place it. What is that from?
30 Rock
Lol, of course. I need to do a re-watch.