Let's be realistic: our mouths are full of little rocks. You can't go around pretending that they're not there, that blowjobs are nothing but lips, tongue, cheek, and spit; that's ridiculous. Embrace the teeth, let them graze your junk!
You might find that it's absolutely awesome. Heck, some people love it so much that they want full-on biting—not enough to break the skin, but at least something that leaves a mark. If you're not going to do it for yourself, do it for your teeth: they get brushed and flossed twice a day and they barely ever get laid.
· Nibbling on my dick (pornhub.com)