Meaning of Kolaveri
The word Kolaveri means a strong urge to kill someone.
Kolaveri is a South-Indian Tamil language word, which is a combination of two words: Kolai + veri; kolai means murder and veri means the urge. The exact meaning of "Kolaveri" is an urge to kill someone or a deep anger to kill someone. Its meaning reflects a murderous rage and hateful urge. It is popular slang, which is highly used by the Tamil youth, normally used to silence a cranky person in a group.
The slang has been used by the makers of the movie '3' to depict the anguish of a person who tasted the rejection from the hands of a girl whom he liked. This word is popularly used in the famous song “why this Kolaveri di?” which means in tamil as "edhukku da intha kolaveri?" meaning “why this killer rage?”