Female attire that is not as formal as club-wear but dressier than every-day outfits. Usually consists of form-fitting or cropped clothing. One's upper half or lower half may be partially exposed but not both (see skanky clothing ). Skanky-casual is typically the dress code for house parties, kick-backs, etc.
Girl 1: Kick-back at my place on Saturday
Girl 2: What should I wear?
Girl 1: It's skanky casual
Girl 2: So jeans and a tube top?
Girl 1: Sounds good!