The most insulting word to call a fat person. Moob is the combination of all Anti-fat words, taking and placed into one simple four letter word. Commonly used to describe someone you feel has not seen the outside world in over six months.
Person one: "Wow, Look at that moob! He probably moderates for Discord or something!"
Person two:"Yeah! Just look at how big he is! What a moob, honestly."
Moob:" :( "