My Little Pony: Friendship Is Magic2010

Twilight Sparkle:
It's the perfect plan! You can't tell anyone about it! Promise you won't tell anyone!

Pinkie Pie:
[Pinkie makes a series of motions without words: Zipping her lips, pawing at the floor, appearing to bury something, and more odd motions]

Twilight Sparkle:
So you do promise or you don't?

Pinkie Pie:
Uh, yeah! Obviously that's why I... [redoes her motions] zipped my mouth closed, then locked it with a key, then dug a hole, then buried the key, then built the house up top of the hole where I buried the key, and then moved into the house on top of the hole.

Twilight Sparkle:
Obviously...