A tiny, round, sex addict. Occasionally of the orange variety which occurs from an embarrassing spray on tan. More times than not they are easy, unaccepted, and eerie.
For example it can be used as EVERY part of speech.
Noun: My humbarootee itches.
Pronoun: Humbarootee looked mad today in class.
Verb: I like to humbarootee all night long.
Adjective: It was a very humbarootee car.
Adverb: I like to run humbarootee.
Prepostion: The book is humbarootee to the table.
Conjunction: We ate pie humbarootee cake.
Interjection: HUMBAROOTEE!