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.
The act of farting in bed and pulling the covers over your head to see if you can gag yourself. A form of self-mutilation but limited to nasal passages.
Bobby decided to punish himself for eating that 3rd bowl of chili by performing self-flatulation at bedtime.