An Obama Doll is simply a term for turds or pieces of poop that have been dropped out of ones butt, into a toilet.
(a toilet is not necessarily needed for a turd to be referred to as an Obama Doll, a turd can be pooped out anywhere and it is still an Obama Doll.)
"Dude, I gotta go drop some Obama Dolls" aka "Dude, I gotta shit"
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