Usually used when you want to say you're on your period
A:Hey!
B:Don't talk to me I'm on my moon day
Underage sex between consenting people.
Juliet : No, James, I can’t take another Montana Moon Blast. My ass is so full with your juice.
James : It is okay baby, you can suck my dong instead. *inserts Mongolian Ripper*
When you make a promise that you can NEVER break
Man 1: hey bro can I tell you something?
Man 2: sure!
Man 1: ok but don’t tell anyone.
Man 2: I swear by the moon and the stars in the sky I will tell not a soul
Usually a term used to describe the best day ever;
The term is usually used in professional golf tournaments
When a players posts an unbelievable round leading to a victory.
The term originated at the 2015 Barclays in Plainfield, New Jersey
Jordan Speith was having himself a sang moon day when he won the U.S Open.
A sexual treat that is the result of doing anal in a shitty asshole and cumming in it. The moon pie is the dick with cum and shit on it.
I fucked the shit out of that chick last night and she ate the Marine Park moon pie after we were done!
A post engagement travel celebration where the future groom takes his future bride on a great vacation right after the engagement!
We traveled to the French Riviera on our Engagement Moon and my future bride showed off the 10 table ring engagement everyone!