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An unspoken, unwritten law, whereas one man will not expose another man's attempt to get action on the side . Ironically, one of the only ways to find out about said law, is to break it.
"Hey man that was fucked up telling Christine about Josh's fling. That's breaking Man's Law bro."
by Nathan V. August 07, 2008
Extremely chunky vomit.
Dang, that is some nasty looking man slaw!
by Joey McNuggets September 03, 2006