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The act of taking a shit. Has nothing to do with the smell or amount and consistancy of the material you are moving. It's just crapping.
Donna asked Kathleen to cover the phones while she was burning a mule.
by frainslug February 10, 2006
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2
The act of taking a steamy dump....
Mark went to hand in his form, but HR was out burning a mule.
by Katelynne81 November 17, 2005
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