Voyeurism is one thing, but accidental exposure is clearly another. In the outrageous opening scene of Not Another Teen Movie, Janey (Chyler Leigh) decides to make her birthday wishes come true with a forearm-length vibrator (ironically labeled "my little vibrator"). When dad and little bro come in to wish her a "Happy Birthday," it makes for an awkward situation, especially when Grandma, Grandpa, and Father O'Flanagan also hit the scene.

And when the dog blows her cover, pulling back the sheets, she has an explosion that launches her slippery "little" vibrator smack into the middle of her birthday cake, covering everyone in the room with whip cream. That has to promise good luck for the rest of the year, right?