Dumpbana 

The sexual act of shoving a banana up the anus of a partner, you will then open the end sticking out of the anus, you partner will attempt to squeeze the banana out leaving the peel in the anus while shooting the banana down your throat

Honey I sure feel like a dumpbana tonight.

Dumpbana by Big dee January 9, 2013

Dumbanana 

When someone is so dumb, they may as well be a banana.

Alexander thinks coronavirus is fake, he’s such a dumbanana

Dumbanana by BJcomedy March 24, 2021