Primitive caveman-like person or persons who is semi-obsessed with hitting random people on their derriere with a large club or other blunt object.
As I walked to Subway, some damned assclubber popped out from behind the building, scaring the daylights out of me. Lucky for me, I had a club of my own, and thumped his ass about 6 times before running back to the safety of my car.
1. Proctologist
2. Anyone who literally or figuratively plumbs the depths of the anus. Anal cavities may be those belonging to any mammalian species. Not necessarily but possibly a sodomite.
3. Driver in San Mateo, California who honks a lot and cuts off pedestrians in crosswalks. Usually found in a luxury sedan or SUV.
4. A drunkenly enthusiastic applauder / woohooer of inferior musical performances.
When Dr. Lionel Sphincter was convicted of vehicular manslaughter and arrived at San QuentinPrison, the other assplumbers quickly taught him manners and the real meaning of juris prudence. Malpractice his ass this time!