1. n. Vile, evil ruler of China from the end of WWII to the early 1970's. Killed millions of his own people with forced collectivization of agriculture, the "Great Leap Forward
," and most of all with the power-restoration maneuver resulting from the famine created by Great Leap Forward known as the "Cultural Revolution
." Faclitated a transfer of power to a group of even more evil people called the Gang of Four
that included his wife. The tyrant can be considered on equal footing with the next definition.
2. n. The excrement of Microtus pennsylvanicus. You guessed it, its "mousie dung."
An example of Mao's thinking can be taken from his book, "The Wit and Wisdom of Chairman Mao," where he writes, "Politics comes out of the barrel of a gun."