Exposing an individual or group to a fart in a situation from which the victim(s) cannot easily escape. The most well-know example is the classic dutch oven technique, wherein one pulls bedcovers over the intended victim. Also applies in elevators, moving vehicles, and other confined spaces.
We were riding with Howard and he unleashed an epic ass cloud in the car. I thought I was gonna die.
Didn't you roll down the window?
Nah, Howard locked the power windows.
Man, that's straight-up flatulatory rape!