Here are some of the top-voted responses:
1. "Peeing standing up."
2. "Patting NFL players on the butt."
3. "Calling your genitals Lil' [your name here]."
4. "When I was a teen, I made a lot of sex jokes. I didn’t really get social cues and whenever guys made those jokes, all the other guys laughed, so I tried the same thing. But it wasn’t funny when I said it."
5. "Go out in public topless."
6. "In my country, if a girl smokes she’s considered a slut."
7. "Growing a mustache and/or beard."
8. "Grunt during workouts."
9. "Bear hugs that lift you off the ground."
10. "Having a significantly younger partner."
11. "Readjusting their genitals. I mean, guys just move their junk around but most women I know, including myself, go to the bathroom if they need to readjust their underwear."
12. "Having unshaved arms and legs."
13. "Spitting."
14. "Talking openly about their bodies, especially their private parts. I feel like men could talk about their junk more openly without judgment than women could about their vaginas, especially when talking about masturbation, periods, and queefing."
15. "Sitting with their legs wide open."
16. "Burping, farting."
17. "Pursuing a romantic partner. It seems to be thought of, at best, as a little sad."
18. "Chewing tobacco."
19. "Swearing. For some reason, it's OK for a man to swear like a sailor, but when women do it it's un-ladylike."
20. "Having pubic hair."
21. And finally, "'Babysitting' their kids."
–Anonymous