Basic MudwiferyTM Knowlege of the rudiments of trailside repair.
Men sometimes try to use the term derogatorily, women keep appropriating it and making it their own.
A game initiated by the Koski brothers of Marin County, whose parents owned a bike shop. Best, if you don't know the way, to let your friend drop in ahead of you, or you'll miss the turn. One who adores fat tire bikes, and rides them. The common sense outdoor propriety that might have been passed on by parents in former generations, but is now lovingly handed down from old fat heads to young ones. Nowadays, any devotee of the dirt.