a smarty pants

(informal)

someone who is always trying to seem more clever than everyone else in a way that is annoying Cindy, the little smarty pants, will be the first to tell us where we went wrong.

Common Names:

Name	Pronounced	Usage
Aibek	-	Kazakh, Kyrgyz
Winifrid	-	Ancient Germanic
Matthei	-	Old Church Slavic
Elouise	EL-o-eez, el-o-EEZ	English
Elsje	-	Dutch
Leoncio	le-ON-thyo (Spanish), le-ON-syo (Latin American Spanish)	Spanish