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!!"
"Look at that shat master! He's totally giving it to the Shat!!"
by Narwhal Rider March 2, 2009
Get the shat masteringmug.