1. The urge to make a bowel movement while flying on a plane. The victim is hesitant to use the in-flight facilities usually due to embarrassment, anxiety, or laziness. This predicament is often coupled with the fear of having another person waiting to use the facility. Sometimes equated with "prairie-dogging", "the bubble guts", and/or "crowning."
2. Being prevented from leaving one's seat despite having an extreme need to use the restroom.
"Marcy could no longer read Sky Mall--she was experiencing heavy turdulance on her way to Atlanta."
Noun
A person who calculates the weight of their turd with a simple equation. Before-After=Turd or B-A=T. They accomplish this by weighing themselves before they sit and after they shit. Which gives them the approximate weight of said Turd.
Verb-Turdulate, Turdulating, Turdulated
"Remember in 'Next Friday' when that guy said, 'I feel five pounds lighter'?"
"Yeah, that movie was funny."
"He must have been an expert turdulater, because I just turdulated and mine was only 2.5 pounds."
"Dude, I told you not to talk about your turds during Jeopardy."
"What's the number for the plumber again?"
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.