rule 223 

If its tall, it's probably Dutch

Person 1: Wow, that guy is so tall!
Person 2: Well you know what they say about tall things...
Person 1: Uhm, no i don't.
Person 2: Rule 223 implies that he is from the netherlands.

rule 223 by Kleine_geitje March 16, 2021

22.3 year rule 

The time it takes for a tragedy to be declared as funny. Satirical comments about said tragedy is deemed acceptable.

AIDS is declared funny as more than 22.3 years has gone by since the first case. Lol.

22.3 year rule by umplo May 17, 2005