Slang term for a male with a penis that is curved when erect. May be a natural exaggeration of the trend for the male member to curve in this state, an indication of damage to the spongiform tissues of the penis, or circulation problems in the penile blood vessels.
"Wendy is very happy with her new guy, cos hes a banana boy and it hits all the right places."
by D F Stuckey February 16, 2004
A boy with a banana peal strategically placed in front of the genitals.
Bird1 held a banana peal in front of his genitals, thus earning him the nickname 'Banana Boy'.
by Episode October 04, 2006