Hufflepuff: We open our common room by tapping a barrel, and if you get the rhythm wrong you get drenched in vinegar!

Gryffindor: That's boring.

Slytherin: That's lame.

Ravenclaw: That's too easy.

Hufflepuff: Whose common room has never been broken into?

Gryffindor: ...

Slytherin: ...

Ravenclaw: ...

Hufflepuff: That's what I thought.