As much as I love swallowing, I'm starting to think there is very little things that make you a slut more than asking for a guy to cum on your face.
There is something arrousing at the idea of begging them to cum on your face, when they are working hard at fucking your cunt. A slight twitch in their cock you can barely feel. Hot.
I like when they cum on my face. My sluttyness always gets the better of me and I'll open my mouth to swallow. I love feeling cum on my body.