Dr. H. Potter's Office

I hope you're joking

What's a staircase?

i'm serious whats harry potter?

In times like these, Wikipedia is your best friend.

guys just shitting with you i know who harry potter XD

Srsly tho someone tell me what's a staircase

Stairs that come out of a suit case like in the cartoons

okay, but what's a staircase?

I just told you

Oh, I see now, there it is :D
So what's a staircase again?

A staircase is just a bunch of stairs like a flight of stairs. Sane thing

Alright, I get it now :)
But can someone tell me what's a staircase? I'm lost...

Is that a reference....

?