When a mans pubic hair covers his testicals and penis in the manner in which it resembles a bush(shrub) fully round so that the private parts can not be seen. Derived from the adjective pubic- meaning hair by male and female genitalia and the word noun shrub-a woody plant smaller than a tree, usually having permanent stems branching from or near the ground.

A pubshrub can fully guard having to see someones genitilia completely thus not needing to wear clothes in public similar to a natural merkin

Running for exercise and picking up trash you find along the way. It's good for the body, mind, soul, and environment! Started in Sweden but is making its way to the U. S.