Act like she's yours and tell them to back the fuck off

From Create Your Own Story

"Sorry I'm late, honey," you say, approaching. She looks confused, but then understands. "Not a problem," she replies slyly. The horny bastards look surprised, as she rubs her soft hand on your muscley arm.

• Keep going with this. There's a chance that she's not pretending!
• That's enough. Walk away, with her, but end the charade