Behaving in a spoiled or impudent manner

Charged with childish arrogance

बचकानी घमंड से भरा हुआ

English Usage: His brattish attitude made it hard for him to make friends.

Hindi Usage: उसके बिगड़े हुए व्यवहार के कारण उसे दोस्त बनाना मुश्किल हो गया।