Why do boys say someone acts like a girl as if it were an insult?

Don't call me 'gentleman'. I work for a livin'.

You ride as a man, fight as a man, and you think as a man-""I think as a human being," she retorted hotly. "Men don't think any differently from women- they just make more noise about being able to.

This may be my only chance to see humans before these two are made into fertilizer for Moonwind's rosebushes.

Would I serve you or (Prince) Jon stolen goods? he asked. "No, don't answer me.