If you want to question my masculinity, like a schoolyard circle of curses, like a swordfight with light saber erections, save your breath.
You wouldn't understand. What efforts are being made to redefine masculinity in your cultural ambit?
The expression "man up" refers to bravery which is the most prominent behavioral expression of male testosterone. See. Fuck you.
However the same cannot be said if you tell someone to 'man-up'. Telling someone to act like a woman will get you slapped. Meaning seems to relate to a man who steps up and takes responsibility for something; or one who needs to be brave in a given situation.
Opposite of a PAZ which is a permanent autonomous zone. Man up definition, an adult male person, as distinguished from a boy or a woman.
Don't be a pussy, brave it, be daring. Would you tell a woman to "man up?
It's the double standard that offends men not the phrase. Precisely because there is no "woman up".