Mug Head

Human A: You can go as anything you want. Just go nuts.
Human B: Umm... I guess I've sort of been into drinking coffee lately.
Human A: Okay, okay. That's something.
Human B: Oh! And I've got a box that fits over my head!
Human A: I'm pretty sure we know who the life of the party is gonna be! Dude, you are the best! I love you!