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Literally, the act of mastering shat; asserting your natural authority over God's putty; indulging in a dance under chocolate rain. Also, dominating a predictably submissive William Shatner.
"Wow, I had no idea you were into shat mastering... Are you busy tonight?"

"Look at that shat master! He's totally giving it to the Shat!!"
by Narwhal Rider March 02, 2009
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