Not used as the usual pie (a pastry food), but to mean 'I am bored', 'I pay no attention' amongst teenagers and young people. Is often used along with the phrase cool story bro.
Person A - (describes how todraw a triangle in 3,000 words)
Person B - Pie.
A random word that if shouted in a lesson or used as an answer can make everyone laugh, a word used for an answer to any question as it can be translated into anything, someone who is random but funny
Father: No, Son, you don't. The pie is a lie; it lures you in, unitl you can smell it's wonderful fumes, and then it gets you to eat it. Once it's inside your stomach, it will come to life and asume it's true form and slowly eat you alive.