The harder my cock got the more pleasurable the silky friction caused. Within minutes of touching my straining cock through the soft material, I was s...ooting cum into her panties. Wads of cum were soaking through the white material, the pleasure my whole body felt was a feeling I haven’t forgotten to this day. As I grew into my teens, I used what I could find in my mom’s drawer to try and copy, the way the models in the catalogues were dressed. Eventually my experiments lead me to try on her. She told me the dog was knotted and couldn’t pull out for a bit.At that moment, Kris came into the room and sat next to me. She explained what Judy had told her about when she was a teen and that Monte was her dog and she used Monte a lot for the same thing. She then explained to me when a dog cums their cock is engorged and grows immensely in size and locks in what is called knotting and it could last for 5 to 30 minutes. After about 20 minutes Monte’s let go and he pulled out and Kris took. Do you believe you could achieve orgasm purely from, for example, being spanked, Miss Carter?" Is that an offer, Doctor Calvin?" Margaret asked with a salacious grin.Doctor Calvin returned the smile and marked something on his clipboard. "A perfect response. There are a few other tweaks that we've made to your psychosexual profile, but you'll discover most of them in your own good time - your strong attraction to other well-endowed sluts, your willingness to engage with multiple partners of. At this point, I felt some tensing in her and one of her hands came down to pull me back up her body so that we could continue in the well known missionary position. I batted that away at the same time as my tongue found her clitoris. She relaxed.Soon, my tongue was buried within her folds, my nose was teasing her, by now, even harder clitoris and I'd released her nipples to use one of my fingers to work its way inside her, curving it upwards to find that soft special 'spot' and my other hand.