2.(verb) A girl "selective sluts" a man when she acts overtly sexual towards him, but turns off her charms as soon as someone else is watching... usually.
Craig: "Yeah. She's a selective slut that one. If you were tall dark and handsome with a flashy car, she'd be all over you."
2. Janie: "I was tryna to selective slut that hot guy from Automotive, all bending over, stretching, and moaning and shit in the break room, but fuckin' Eddie from plumbing kept coming in and interuppting!"
Danielle: "Shitty! But who cares what Eddie thinks. Just keep going next time."
Janie: "I don't want Eddie hitting on me! He's gross!"