"Constructed Criticism Welcome" often seen in captions for original artwork online, like on DeviantArt, or in the description of a fanfiction.
Content Creator: "Here's a picture I drew of my dog. CCW!"
Viewer: "Looks great so far, but the shading needs work. Keep practicing."
Content Creator: "Thanks"
CCW stands for Carrying a Concealed Weapon. The majority of States (33) in the USA allow citizens to apply for CCW permits, which normally applies to handguns.
You currently can't get a CCW permit in Illinois, but the NRA lobby has proposed a few bills this year to change that.
Concealed Carry Weapon.
A state permit allowing a person to carry a loaded concealed pistol.
A girl who really craves the cock hence the acronym CCW (Cock Craving Whore)
Man that bitch can't get off my dick, fuckin CCW