Oh, this was irritating. It was obvious by this point that he was just trying to amuse himself by being a butthead, and it was starting to annoy her. What the hell was he doing wasting his time here over nothing? Surely he had better things to do with his life.
His laugh caused her to bristle, and her grip on the dumbbells tightened slightly. She didn't know what a PFC was, but she imagined it was something stupid. But that was okay. Clearly this guy was ignorant, and would eventually see another woman to harass. She was actually surprised that he targeted her of all people - her workout attire was Lycra, tight to prevent any clothing getting caught somewhere unpleasant, that showcased her muscular physique well. She didn't look like the lost little girl in the big scary gym, that was for sure.
"You don't have to be a jerk to be intimidating," she said simply, finishing her curls with a grunt. "And if you actually worked as much as you talk, you might actually stand a chance in the ring with me."