major league mess up
Also known as a mlmu, it is used to describe a moment when someone (including yourself) humiliates themselves, reveals a secret they didn't want to reveal, says something bad, etc. In public or in front of the boys, and Is so bad that it can only be described as a major league mess up
Person 1: hey, did you hear that (famous person) said the n-word on their social media account?
Person 2: yeah bro, that was a major league mess up
Person 2: yeah bro, that was a major league mess up