Wiktionary
vaginal sex
n. sexual intercourse in which the penis is inserted into the vagina.
Usage examples of "vaginal sex".
Bad dates range from the bald driver of the silver Porsche who's HIV positive and demands unprotected vaginal sex to the Honda driver who wears a tie and zaps women with his stun gun.
Now it was a woman sandwiched between two men on a large, heart-shaped waterbed, having simultaneous anal and vaginal sex.