When you "go bananas" you behave in a slightly crazy or silly fashion. The expression is considered slang and is therefore used only in informal contexts.
The children will go bananas when they see the cute little puppy.
Aparna went bananas when she was introduced to Brad Pitt
Aparna went bananas when she was introduced to Brad Pitt
by Kuri88 January 3, 2009

smacking someone with your penis, generally because they were being rude or disrespectful towards you
by fruitermelon February 16, 2008

by JohnnyEf April 5, 2005

by markuz August 24, 2005

To apply peanut butter to your penis for masturbation or in order to give the reciever of your penis a nutty surprise/treat.
"The girl was surprised when faced with the Nutty Banana rather than the penis she had expected."
Or
"Dude, last night I was home alone, I did a Nutty Banana!"
Or
"Dude, last night I was home alone, I did a Nutty Banana!"
by Nuttybanana January 11, 2010

by Shikuanne August 1, 2008

Freezing ones penis in liquid nitrogen and inserting it into a vagina. The penis then sticks to the wall of the vagina. The male then pulls out and pulls the inside of the vagina with him, effectively turing the vagina inside out.
by TheBigWazz August 13, 2015
