The lyrics of "Spray" use the act of painting or "spraying" as a metaphor for completely coloring someone with one's own feelings and presence.

The lyrics from Genius describe the love interest as a "wall" or "canvas" being painted with "seven colors" so they can "never erase it".

Lines such as "Until I get you completely soaked with me" emphasize a desire for total immersion and attachment.

Much of the video takes place in an underground-style, industrial environment.

The visuals incorporate graffiti-inspired elements and scenes where members appear to be building a device, possibly to "spray" or spread their influence/love.

There is a subtle narrative where the members run from and eventually confront a mysterious machine.