Actually, we're talking about the other kind of pearl necklace. You know, when a guy decorates your neck.

I decided not to push it and pulled things back a smidge by positioning her on her back next to the sink and drilling her like a fucking jackhammer until I felt that telling tingle and it was time to give her eyes a pearl necklace.

“So, like, do you mean he hasn't come in your mouth? Is he more of a pearl necklace kind of guy? ... “You know what a pearl necklace is, right?”

He whispered in her ear, “Good morning, slave. I love morning sex. This morning, I'm going to fuck these amazing tits and give you a lovely pearl necklace.”

Pearl necklace

Meaning

Noun