Grass Banana 

Grass banana means corn, its long and yellow like a banana, but it's a grass!

Mom:"Did you pick up the corn for dinner?"
Son: "What the fuck is corn?"

Mom:"The yellow things hat have a green husk on them!"
Son:"Ohhhh, you mean Grass Banana!"

Grass Banana by Fata$$ August 28, 2017

Glass Banana 

A glass banana is someone who is very clumsy and they bruise really fast and easy.

Boyfriend: "Babe be careful where you step, you're a glass banana. I don't want you to hurt yourself."

Glass Banana by Dannylovely74_ March 22, 2017

Slip You the Glass Banana 

To pull a fast one. Deception with ill intent.
Origin: Government employees.

After the vendor had finished speaking, the chief technologist turned to procuct lead and said "don't let them slip you the glass banana."

Slip You the Glass Banana by MagicLantern June 9, 2009