Rule 34

Rule 34 means "be polite".

Person 1: I drew porn of your character, fuck you!
Person 2: STOP, you're breaking the rule 34!

guillotine posting

Posting images of guillotines either in reference to information about capitalism/corporate greed/corruption sometimes in combination with "eat the rich" slogan.

Tweet: "Amazon will pay $0 in federal income taxes on $11.2 billion in profit."
Replies: *guillotine posting"