1. (noun) a person who only eats cereal, specifically Kellogs brand.
2. A booger and/or fecal specimen that dangles off a person's body unbeknownst to them causing much embarrassment later.
3. A girl who wears the Ugg boots/ Croc fusion.
1. Carrol is such a Charlub because she only eats cereal, especially cereal of the Kellogs brand.
2. Person 1: "Holy shit! That person has a charlub hanging from their face!"
Person 2: "Gross! They should wipe that booger/turd off their face before someone important sees it!"
3. She's such a charlub who apparently has no taste in shoes whatsoever!