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An action taken on behalf of someone riding a mountain chairlift, which involves:

1. Waiting until the group in front of you has a perfect chairlift sequence (typically a family that enjoy to ride the lift together or a group of buddies).
2. Scooching forward at the last minute to join said group on the chairlift (must be seated between one or more individuals)
"Oh man! Did you see that! What a jerk! He totally pulled a chairlift bomb!"

Like photobombing, but on a chairlift
by Ritt Bitt January 10, 2011