On May 21, you can use any random fake shit you find on Urban Dictionary and sent it to someone as a joke. On May 22, you must explain the joke and the reason why you sent the Urban Dictionary definition.
*May 21*
Mark: Hey Lisa! It's national get a girlfriend day! Look at this screenshot from Urban Dictionary!
Lisa: Um.. I'm lesbian. I thought you knew that.
*May 22*
Lisa: Oh I get what you said yesterday! It's International Explain-Joke Day! This is the part where you explain that yesterday was a joke right? Thank god, I'm literally fucking lesbian you dumbass.
Mark: Hey Lisa! It's national get a girlfriend day! Look at this screenshot from Urban Dictionary!
Lisa: Um.. I'm lesbian. I thought you knew that.
*May 22*
Lisa: Oh I get what you said yesterday! It's International Explain-Joke Day! This is the part where you explain that yesterday was a joke right? Thank god, I'm literally fucking lesbian you dumbass.
by overweightmilf May 21, 2021
Get the International Explain-Joke daymug. It means funny jokes
by Scarred & Tatted July 9, 2025
Get the joke-ularmug. 
Used by Hugh Mungus
by See me standing here October 12, 2018
Get the Dad jokemug. A comment talking about the meaning of being a marine bioligist. It is very deep, and few people have managed to define it
by every god damn Sheep November 30, 2017
Get the jakob - ha jokesmug. Joke is always there for someone who needs her help, she can give good advice, she's really supportive in whatever decisions you make. Definitely fun to be around. She has a bubbly personality and can always have a good laugh with her. Boys be careful with this one if your ever going to try and play her she'll play you ten times better
Yes! Joke!
by IanR June 4, 2020
Get the Jokemug. Dude *Joseph* literally has a mayo obsession.
Bro *Alex* CANT PUT DOWN THE MAYO!
The Mayo Joke is about Mayonnaise
Bro *Alex* CANT PUT DOWN THE MAYO!
The Mayo Joke is about Mayonnaise
by BookaTheQueen March 24, 2025
Get the The Mayo Jokemug.