-noun
1. Short for "full-close" or "fuck-close" in the PUA (Pick-Up Artist) community.
2. When you meet a girl and end up having sex with her by applying PUA techniques.
PUA1: Debrief.
PUA2: Two F-close's, onenumber close.
The ship name of BlackPink singer Roseanne Park (Rosé) and the floor. This ship arose because Rosé seems to love the floor the most out of all of the band members.