rule 81 

A woman will know exactly when you're staring at her breasts. No exceptions.

This is applicable to all situations, not just on the internet.

Sienna sensed a definite rule 81 moment despite John's calculated diffidence.

rule 81 by eViL pOp TaRt April 20, 2010

Rule 81 

"If it exist, AI can replicate it."

'Ei'ght sounds like an A and 1 looks similar to I. Combined, it's read AI. Invented since OpenAI made an AI that could terryfyingly turn any picture into an accurate artstyle of Ghibli Studio or any other cartoon.

Simply, this is just another way of saying "Your art skill is useless, AI could already do your job".

"I was planning to go to art school."
"Ever heard of Rule 81?"

Rule 81 by dognameddestroyer March 29, 2025

Rule 816 

1.
If you multiplied your way up from Rule 34...Congratulations! You've wasted your time and are probably not in school.

2.
A complete waste of one's fucking time.

EX.1
Kid 1: Hey man, did you do the homework from last night?

Kid 2: Nah bro, hopped on U.D. and did the old Rule 816!

EX.2

"This girl keeps asking me out, so I told her I left her a secret message on Urban Dictionary called the Rule 34 challenge. But don't stop until you reach Rule 816".

#Rule816Her2K16

Rule 816 by #Meme8162k16 November 28, 2016