dirt bag climber
n.— «Most of the climbers I know are very well-educated. They’re engineers, lawyers and teachers. Of course, there are a few who call themselves dirt bag climbers.» —“Climber latches on to bouldering” in Cheyenne, Wyo. Billings Gazette (Montana) Apr. 9, 2006. (source: Double-Tongued Dictionary)
Further reading
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