a know-all

(British & Australian) also a know-it-all (American & Australian)

someone who seems to know everything and annoys other people by showing how clever they are No one likes him because he's such a know-all.

Name	Pronounced	Usage
Fatmire	-	Albanian
Mcpherson	[mək'fɜ:sn]
Ekaterina	ye-kah-tye-REE-nah (Russian), ee-kah-tee-REE-nah (Russian)	Bulgarian, Macedonian, Russian
Jonelle	-	English (Rare)
TÓFa	-	Ancient Scandinavian
Samira (1)	-	Arabic, Persian