n. An error of common sense. When someone says something that is known by everyone around to be incorrect or uneducated. Refers to the person not the error
Also known as the "Holy Pocket" by some. Anything you put in it is 100% safe from others. The perfect repellant.
Me: *reaches in middle pocket*
French Girl: "Why are your hands in your no no pocket? Ewwwwwwwwwww. Groooooooossssss!"
Me: "I have two words: Cash. Office." *winks*
French Girl: *visible disgust*