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The act of licking the pubic hairs of another persons anal cavity in a fast, circular motion. It works much better if the person receiving the Indonesian Lawnmower has a very hairy asshole.
D00d, my asshole is so hairy. I'm gonna tell that ho Rachel to give me the Indonesian Lawnmower, and then I'm gonna fart in her mouth.
by Nate of Fate. February 25, 2009