Eating one more thing than you know you should. The person then regrets it because they are so full. Term originated when someone ate a footlong Quizno's sandwich, then went on to eat a slice of pizza because it just looked so darn good. That person regretted it. Sometimes the term can be shortened to "slice"
After eating a bowl of speghetti, he mazur sliced it by eating a corn dog.
by Kroger Ogre May 21, 2009