Yes!

interj. Absolutely yes! (Always with a special intonation that holds the y on a higher pitch and then drops the pitch sharply. The word itself is not slang, but the word with this intonation is part of many slang contexts.) Yes! Exactly right!

Common Names:

Name	Pronounced	Usage
Rowena	[rəu'i:nə]
Felicidad	fe-lee-thee-DHAHD (Spanish), fe-lee-see-DHAHD (Latin American Spanish)	Spanish
Jack	[dʒæk]
Felice	[fə'li:s]
Uladzimir	-	Belarusian
Hiram	['haiərəm]