Someone who writes Urban Dictionarydefinitions about themselves, or people who they know, but who are not famous. Esp. when those definition is "*insert name here* is very cool and attractive."
a person/animal/other organism that does actions/things that are unfavorable and seen by others as stupid, it's also an insult to a person who is pea-brained.
bosco:10+10 is not twenty it don't have ten in it!
Damien: bosco u fucking dumbassit doesn't need to have that to be twenty
Ben:seriously bosco, did you skip 1st grade or something?