Fangirl things muggles don't understand

SO MANY WAYS TO SPELL SERIOUS!

Don't look if you haven't read/watched Harry Potter and the Prisoner of Azkaban or after
HG FANDOM
LOOL anyways this is already quite well known but oh well...

OfficiallyAFangirl15

Snape: Headmaster, I am afraid the Dark Lord has returned!

Dumbledore: Are you serious?

Snape: No I'm Severus

Sirius: -_-