you and Draco are both in class and you don't know the answer from a question on the test so you ask draco

y/n whispers

Y/n: Draco, what did you put for number one?

draco whispers back

Draco: what?

Y/n: what did you put for number one?

Draco: i- i can't hear you?

Y/n: are you dumb!? What did you put for question number one?

Draco: what are you saying?

Y/n: Never mind sh!t!

Draco: i can hear you all the way over here.

Y/n: did you get 14!?

Draco: Do i have history?

Y/n: Noooo! What did you put for 14!?

Draco: i'm so confused?

Y/n: how do you now know what i'm saying?

Draco: i can't read your damn lips!

Y/n: i'm just gonna turn in this sh!t!

Y/n: did you get the homework done?

Draco: what?

y/n send draco a note

Y/n: read the note

Draco: rip the note?

Y/n: Noooo!

they where whole time whispering until y/n got annoyed and speaks out loud without thinking

Y/n: I SAID READ THE NOTE OH MY-

Snape: y/n, office now! How about that?

Draco: you should've walk over here!