A noun that is synonymous with all other nouns, frequently used to replace one or more nouns in a sentence.
It is generally used to be humorous, or silly.

For example, the sentence "Yeah, I've been chillin'" can be changed into "Yeah, I've been cheebin'" or "Yeah, y'all already know you'd never catch me leebin'!".

Internet persona(s) who happens to follow you and you happen to follow them back and maintain communication with and have a mutual liking for eachother whether it be friendship wise, etc. (Mutuals if more than one mutual)