Part of her wants to just humor him, so Rey pinches the only two fingers on her right hand together and runs them across her mouth in a zipping gesture.

After a moment, though, she finds herself actually at a loss for words. She lifts a brow at Firo, slightly puzzled. "Well, now that you've put me on the spot, I really can't think of any self-incriminating witticisms."

It's not like she just pulls that shit out of a hat.