Pretentiously artistic; self-important or self-indulgent, especially when describing an artistic project.
Someone who is arty-farty.
dishonest; sketchy; shady
snobbish; haughty
Acting suspiciously; strange, unusual; acting in a manner as if having something to hide, or seemingly crooked.
Weird; nonstandard.
Suspicious (of something).
unreliable; wonky