סבבה

Slang: similar in some uses to the English slang use of the word 'cool'. Used for the affirmative, approval, confirmation, in a similar way that one would use 'cool' in those situations. Particularly popular with generation Y and X.
Pronounced: sa-ba-ba
Etymology: apparently from the colloquial Arabic (where many Israeli slang terms origin from), meaning 'great' or 'excellent'