Top definition
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
by #Meme8162k16 November 28, 2016
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