I'm not sure what you are talking about...I've heard of women saying they orgasm while riding.that has never happened to me and I'm not sure how it could really work...
I'm just very very sensitive. When I'm not turned on I'm uber ticklish. When I am turned on I'm not ticklish at all but several spots turn into powerful erogenous zones. Assuming we are both aroused and into it, my partner can send me to the edge just by squeezing my hip bone the right way...so I don't know..I must just have extra dense never endings or something..