lavoratory

A place where scientific research is conducted which doubles as a toilet
Dr Frank Fischenhoffer's world-class lavoratory in California was one of the first in the world to create fluorescent urine after his initial discovery pissing in one of the cubicles
by Doddi October 17, 2007
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port-o-lavoratory

man screw port-o-potties, there's a port-o-lavoratory just a block over!
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