When ones penis curves to the side like a banana due to excessive masturbation or a bad posture when masturbating.
"Fuck, my penis is bent to the left!"
"Dude, you should've alternated hands like we told you; it's the only known way of preventing Banana Syndrome."
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.
Buy the mug