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1.
During sex, the male will mix his feces and his semen in a large glass to eventually be fed forcably to the female.
Wow greg, you sure make a good Poop shake.
by jauntyjim August 05, 2008
 
2.
A dance resemblng the motion used to remove the last little nugget while pooping.
"Everybody do the poopshake!"
by theloneas August 28, 2006