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1.
The excrement of a fainting goat; found in the form of little balls approximately the size of a BB. They arrive in small packs clusters and disassemble on the point of impact on the ground
"oh my! That fainting goat just let out a load of nanny berries!"
by Bear Phills December 26, 2011
 
2.
a rabbit turd
that bunny's nannyberry smells like hot poop soup
by kealsonwheels March 25, 2011