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2.
commonly known as 'shit'. also known as dung, molasses or crap.

can also be used to define the act of shitting.
Two hours after eating veggies, I felt like I wanna jerby.

OMG! There's a floating jerby on the toilet!
by newjejebuster May 02, 2010
 
1.
To know more than there is to know...
I ain't gonna study, I'm feelin' all jerby.
by ken March 17, 2005