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
Cleto	KLE-to (Italian, Spanish)	Italian, Spanish, Portuguese
Valerija	-	Serbian, Croatian, Slovene, Lithuanian
Juturna	-	Roman Mythology
Georgei	-	Medieval Slavic
Reinaldo	-	Portuguese, Spanish
Iolo	-	Welsh