The act of sitting in ones lap while he or she is sitting on the toilet. The individual on bottom produces excrement into the bowl of the toilet while the individual on
top produces excrement between the bottom individual'
s legs thereby creating the "upper" portion of the
deck.
*Often confused with an UPPER DECKER, in which one individual produces excrement into the upper
tank of the toilet.*
*See also: Upper Double Decker
Roommates Ezekiel and Jebediah both consumed too many matzah balls and were locked in a
heated stand-off over who may use the toilet
first. They decided to
compromise and perform a DOUBLE DECKER.