Having sex with a pumpkin
-The pumpkin has to be moldy
-The pumpkin has to be carved
"Bro, I'm so horny I could go for a glumpinkin."
When you have sex with a moldy carved pumpkin
"I could really go for a glumpinkin right now" said the glumpinkin man
The national celebration for the glumpinkin ritual. It is normally held on July 14th, but it's possible to celebrate it on the night of July 13th. July 14th is important to glumpinkin, because it marks the anniversary of its creation
The national glumpinkin day greeting is 'merry glumpinkin day' so you say "Merry Glumpinkin day"