la la world
the dumb phrase your math teacher uses when you're being a total idiot or when you don't know what you're doing
He said 'LA LA WORLD' after I turned my paper upside down and tried to solve it that way.
I got 'LA LA WORLD' when I wrote my name as 'La La World' on the test.
He yelled 'LA LA WORLD' when I thought the question was about pizza but it was about fractions.