Asian girls with a shit load of eyeliner, eyeshadow, and high arched eyebrows & occasional various piercings.
Bob: "But dude she's hella good at singing and she's fine."
Kelly: "Oh I didn't say she wasn't. I fucking love her but she looks crazy GAS."
First heard and proliferated by the sad and loney at the www.harmonycentral.com Guitar Effects forum.