groover

"Saturday Groovers" relishes in smelling "the smoke from the lungs of the Saturday groovers" with jubilant, T. Rex-like swagger, then situates the reminiscence in a present fraught with "heart disease and gout." "

It [ore] is generally cloathed with a substance which the groovers call Crootes, and is a soft, mealy, white stone

During an early river trip back in the 1970s, shortly after this system was developed, the toilet seat was accidentally left behind, the rims of the riser left telltale indentations on everyone's bums, and the box got a nickname: the groover. (Some guides also call it the duker or the unit.)