- the soft outer covering of a banana
- informal something unforeseen that causes an obvious and embarrassing mistake
sense 2 from the common slapstick joke of a person slipping after treading on a banana skin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for banana skin
There was a banana-skin which she might naturally have trodden on, in her way to the tea-table.Over the Teacups
Oliver Wendell Holmes, Sr.
Banana-Skin had a shock when he found himself seized and hurled against the opposite wall.
Her corsage was of clinging ivy leaves, in contrast to the fuller effect of her banana-skin skirt.
The first banana-skin which a lot of fellows step on when they're put over other men is a desire to be too popular.Old Gorgon Graham
George Horace Lorimer
"I thought you hadn't been listening," put in Banana-Skin in a quiet and torturing way.