To spend an outrageous amount of time in the restroom at your place of employment.
Usually involves defecation.
I can't hold this in any longer, will you watch the register for a while, I've got to go take a Kathmann.
Karl always came to work about 20 minutes early, so he could take a Kathmann before clocking on.
any of the small amphibious life forms in the greater boise area who smoke a gang of weed and play the bass guitar. Often defined by the excess use of angel dust.
Danja, of the dust. (see also Angels of the Dust)