2. An oven located in the Netherlands.
3. An oven made by a native of the Netherlands.
Person 1 *farts* and pulls blanket over unsuspecting Person 2 and yells "Dutch oven!"
The "Nightmare Surprise", indigiounous to the Helsinky tribesmen, is performed while their wives were sound asleep. This invokes the sublimal belief that they are being barraged with mustard gas in their dreams.
The "Bolivian Bat-Mitzmah" is one which you have your friend sneak into the room to fasten the covers, then you and countless numbers of your buddies bestow your "gifts" under the covers, officially marking her transition into grown womanhood...