A characteristic and often unconscious mode or peculiarity of action, bearing, or treatment which belies or exposes the male-ness of the apparent female one is observing.
"I was talking to a hot chick. When I noticed the MAN-erisms, I realized she wouldn't need a strap-on to ass-fuck me. We got some lube and went home!"
First mentioned on The Directors Cut Radio Show. A Man-er-Pillar is a group of men having sex in a long chain. In a large group they resemble a Caterpillar. It may be a sticky situation if somebody has diarrhea.
n. - used to describe someone whose body of knowledge extends way beyond expert status. This is guy who the gurus climb the mountain to go ask a question.
Dude, my iPhone kept crapping out on me and it took 3 geniuses scratching their heads before we went to go see the man on the mountain. Problem solved.
A Man Fact is the sort of fact that men have a tendency to profess as the truth and as though it were an actual fact but in reality they actually have no idea and are making, at best, an educated guess.
Woman: I really don't think you should have another beer.
Man: I disagree, the most recent study shows that regular beer drinking can improve my mental capacity for learning new tasks. I am sure you would appreciate this in the bedroom honey.
Woman: That's just plain untrue. That is a Man Fact.