Ok, so I have this observation.
People have this phrase,
And they use it a ton,
That's popular in a certain case.

These two words are used
When there are people fighting
And one is being accused
Or is being called something

And they have nothing left to say,
So they usually go to this phrase
As a way to get the other to pay,
Or to just go away.

But what is this saying?
Maybe you already know.
Shout it out and sing!
Or are you busy thinking

On what it could possibly be?
Ah, but without further adieu
You will now get to see
That it is actually, "No u"