Noun: Refers to a individual belonging to a group of skiers that existed beginning in the late 1970's until the early 1990's who were avid backcountry and extreme skiers and ventured into out of bounds ski terrain in search of powder.

The best known group of hairbag'r(s) skied the higher elevations of North West Colorado and explored areas above tree line on extremely steep slopes prone to avalanches.
The hairbag'r joined the gang on top of Bethoud Pass to head into the backcountry.
by The Snow Prophet May 11, 2010
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