Open Dutch oven
Similar to a regular Dutch oven, however after brewing the farts beneath the sheets. You gently lift the blanket where your head lays, then let go as the Dutch oven wind is subtly pushed toward your unsuspecting partners face.... Creating the open Dutch oven.
"he hit me with an open Dutch oven"
dutch opening
When in the Dutch oven, someone lifts up the blanket to let some fresh air in. Often followed by another round of suffocating, rancid farts.
I thought the Dutch oven incident was over but it turned out it was just a Dutch opening