The unique dry feeling of your mouth after eating a banana, often accompanied by a bizarre after-taste.
by Joker Smilez May 6, 2010

The tendency for some people to make clicking and wet sucking sounds while talking, as if the person is eating a banana.
A long Zoom call, high quality headphones, and the presenter's severe banana mouth was a torturous combination.
by ElementalP January 21, 2021

A hater who can’t stand seeing someone else win. Comes from Rico in the movie Belly, who eats a banana while complaining about another character making money. A “banana mouth” is loud, petty, and full of envy—basically the mascot for jealousy in hip hop culture.
I'm so tired of dealing with these banana mouth h*es everywhere I go, like, girl just let me be great.
She’s acting like a total banana mouth because I got promoted before her.
She’s acting like a total banana mouth because I got promoted before her.
by anonymous September 24, 2025
