1 definition by YingTheLegacy
When you call someone a 'moom', you're referring to their intelligence level. More specifically, their lack of intelligence in general.
John - Hey Jack, have you seen the movie "The Parent Trap"? I wonder how they cloned Lindsay Lohan.
Jack - You're such a moom...
Jack - You're such a moom...
by YingTheLegacy October 15, 2017