know-all

A person who annoys others by acting like he or she is smarter than everyone else. Primarily heard in UK, Australia. There is nothing more annoying than working with a know-all who constantly tries to outdo everyone else.

Common Names:

Name	Pronounced	Usage
Ketill	-	Ancient Scandinavian
Quanna	KWAH-nə	African American (Rare)
Tulio	-	Spanish
Heller	['helə]
Raina	-	Bulgarian
Latham	['leiθəm]