slutty
adj.describing a style of dress or behavior that is very sexually suggestive. It is often used to judge people, but some people now use it in a fun or confident way.
adj.characterised by or suggestive of sexual promiscuity. Often carries a derogatory or judgmental tone, though it is increasingly reclaimed in informal contexts to describe bold, revealing fashion choices.
“She wore a slutty costume to the Halloween party.”
“The magazine was criticized for its focus on slutty outfits rather than the actual talent of the performers.”
“While the term remains a potent slur in many social circles, certain subcultures have attempted to subvert its negative power by adopting a slutty aesthetic as a form of bodily autonomy.”
Typically used as a predicative or attributive adjective; highly informal and potentially offensive depending on the audience.
From slut + -y.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.