If God had a vagina and you could fuck it, that's what pinnacle pussy would be. The sexual and psychological equivalent of chasing your tail and never catching it. It's what never was and never will be. Jerking off is to sex as sex is to what pinnacle pussy would be. The divine realm.
"Dear Lord, I think I finally found it! Shelby loves me so much and I love her, and the sex is amazing! I think I've found the pinnacle pussy. I proposed and we're getting married!"
God responded, "My dear son, that's not pinnacle pussy that's hell. You never catch pinnacle pussy. But that certainly shouldn't stop you trying."
A joke or gag with zero layers, one that simply cracks you up and only has a very basic foundation of comedicstructure. Bad puns, short one-liners and certain in-jokes fall into this comedic brand.