Err is the sound made when expressing uncertainty or doubtfulness. This sound is slowly transformed into the sound of a plane's engine, and accompanied with the raising of the arms to mimic a plane's wings. This sequence of events is called an err-plane.
"I wonder if self-punishment would be significant enough to overcome the addictive qualities of nicotine or heroin. Let's conduct an experiment! What do you say?"
"Errrrrrr..."
"Lol, err-plane!"
by Patrick Caloz October 29, 2007

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