A person, usually male, that goes around annoying friends, family, colleagues, etc. This person is socially inept and has a very slow thought process. Although most of them excel in studies, they seem to lack the basic intelligence required for a constructive conversation. This person can also be clingy and want to include themselves on anything you do/like. If you encounter this person, it's best to run away.

Literally everyone, ever. Including the writer of this definition.