Acronyms which are made up by random people because they are not socially adept.
Person 1: Hey, wybtpsfmt?
Person 2: What does that mean.
Person 1: Would you buy that purple sweater for me tomorrow?
Person 2: Wow, that is one of the many things that aren't shorter if you say the acronym
Kick anyone one shorter than you on December 1st
Kick anyone shorter than you day is december 1st