Actually, when I'm aroused in a certain way, it feels like my womb "clenches" and a wave of pleasure washes through my lower belly. It's likely connected to how the uterus contracts during orgasm. There is something that happens in the lower belly in at least some women that's connected to arousal.
Written by Reverie
“The nature of our immortal lives is in the consequences of our words and deeds” — Cloud Atlas