precipice
The very edge of something, typically a cliff, mountain or similar. Also the moment before performing an action.
I had the bitch face down, ass up and I was on the precipice of violating her baloon knot.
precipice of sensitivity
Tip of the penis.
Aka: Purple Helmet Mushroom Top
Aka: Purple Helmet Mushroom Top
"Dude, she flicked my right on the precipice of sensitivity!"