TOTY: 10 Reasons Girls Can Wear Whatever They Want On Halloween (8) October 28, 2015October 28, 2015 Contributing Writer 3. Guys aren’t reprimanded for wearing revealing costumes because it’s funny. But, when did that gender stereotype become okay? If a guy can dress up like a football player in full gear, you can too. If a guy can dress up like a bunny, so can you.