Why this kolaveri kolaveri kolaveri di ??

Teacher : What is the
square root of 69..??
Student : I don't know
Teacher : You don't know
anything , Idiot
...
Student : I have a
question for you
madam , that you can
never answer.
Teacher : Okay, Tell me..!!
Student : Why this
kolaveri kolaveri kolaveri
di ??
Teacher: :O :/ :|