It's All Made Up Testo

Nah nah nah
Do you know where that's from?
Did I hear it in a song by someone?
I don't know
I don't know
It's all made up
and it's all made up
Nah nah nah
I give up
now and then, back again
all made up
I don't know
I don't know
It's all made up
It's all made up
They made up everything
And it's all up.