adj. Yams may be involved.
Real citation: "1. Res- If you haven't heard her, you need to. I love her vibe; it's like R&B with a performance artist-y thing. Very cool."
(lauraz, Nov. 20, 2001, http://www.3blackchicks.com/ubb/Forum9/HTML/000008.html)
Made-up citation: "Though I once squawked like a bird while butt naked on stage, I don't feel very performance artist-y this summer."