The noise Xanthippe made was one part a laugh, one part a moan, and something she would've found entirely unacceptable in other company, regardless of the particulars of the moan-to-laugh ratio.

"Oh God, you are," she replied, while her legs parted further. "That's like, totally correct. You are extra AF." Of course she pronounced them as letters, yes.

Also yes, he was about to find her pretty slick and welcoming under his fingers.