Similar to saying safety after one emits gas or farts. When one farts, they must say junior poopface or simply, junior, june, or even le jun (pronounced lay june) or else one will be repeatedly slapped until one writes the word "JUNIOR POOPFACE" on a peice of paper. Similar to safety because when one farts, if one doesn't say safety, they will be punched until one touches a doorknob.
Bus: Hey riley, how ya d... (riley farts)
Riley: Junior Poopface!
Bus: DUDE! That smells like gay cat sex!
Bus: HEY FUCK YOU!