As I sauntered down the alley, my heels clicking on the pavement, I couldn't help but notice him. He was standing across from me, his eyes locked on mine with an intensity that made my skin prickle. I flashed him a smile, a sly little smile that said, "I'm interested."
To give you the most accurate response, here's a breakdown of what that typically means in adult/romance storytelling, followed by a short original example.