AN: I do not own these characters. This is a fan work. This is a song parody of "Scotty Doesn't Know by Lustra. This is supposed to by Severus, from his point of view.

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Lily doesn't know that Potter and me
Do it on my broom every Sunday.
He tells him he's in class but he doesn't go
Still I'm on my knees and Lily doesn't know!

Oh Lily doesn't know!
So Don't Tell Lily!
Lily doesn't know!
Lily doesn't know!
So Don't Tell Lily!

Potter says he's broom hopping,
But he's over me and I'm not stopping...

Because Lily doesn't know!
Lily doesn't know!
So don't tell Lily!
Lily doesn't know!

Don't tell Lily!

I can't believe she's so trusting,
While he's right behind me thrusting.
Potter and me are never alone,
And he's trying not to moan.
It's a three-way drawl and she knows nothing!

Lily doesn't know!
So don't tell Lily!
Lily doesn't know!

We'll put on a show!
Everyone will go!
Lily doesn't know!

The shrieking shack
Why not? It's so cool when I'm on top!
Her front lawn in the snow
Life is so hard because Lily doesn't know!

We did it on her birthday...

Lily doesn't know!

Lily doesn't know!
Lily won't know!
Lily doesn't know!
Lily's gotta know!
Gotta tell Lily!
Gotta tell her myself!
Lily doesn't know!