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Might get lucky.. Or you might put it past the toilet into the the drain pipe. You get that thing into the floor your talking major repair.Cutting head isnt gonna shred a tennis ball,if anything its gonna push it farther if it does manage to tear it somehow you have large chucks of rubber that are gonna get stuck in the system of the house untill you get to it and take it out manually. Smartest move is to pull the shitter.