An avoidance nod is an action when trying to avoid someone.
This technique is usually used when someone you know wants to talk to you, or tries to say hi. The avoidance nod is a simple little nod in there direction, which is usually followed by walking away from that person.
Scarlet: Hello, steve!
Steve: -Nods and walks away-
Jason: Did you just use the avoidance nod on her?
When a person is asked to do chores and magically they feel the urge to poop, which requires them taking their cell phone to the bathroom and playing Clash of Clans instead of being responsible.
David was asked to help clean the house, magically he feels the urge to poop, he brings his phone to the bathroom and plays Clash of Clans while he takes an avoidance poop.
Avoidance-wars (noun): The phenomenon occurring when two or more individuals engage in a mutual attempt to evade eye contact while traversing shared spaces, resulting in a situation akin to a standoff where neither party successfully averts the gaze, leading to a temporary stalemate in their paths.
Those two drivers are haveing Avoidance-wars neither driver wants to make eye contact while parking
While working, preferably in a retail job, you try to avoid customers all together by detouring throughout the store so you dont walk pass anyone in case the ask you for something.
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).