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
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smacking someone with your penis, generally because they were being rude or disrespectful towards you
Sir Allan II: wats cooking ugly faggot ass bitch lookin
Loki: stfu b4 i banana slam you
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When a girl has boobs that hang down then slope outwards at the end, like bananas.
"Whoa Shiela totally had banana boobs!"
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To be as stoned as humanly possible.
Did you see that 7-11 dudes eyes? He was bent as a banana!
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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!"
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A term coined in Gwen Stefani's fun track 'Holler back girl'.
your shit is bananas, B-A-N-A-N-A-S!
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Being very sensitive. Where you get bruised easily and it shows, like a banana. Being overly sensitive
Person: Dude, be gentle with Jessica, she has banana skin.
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