(adj.) Used to describe someone who has over-done the fake tan, so they look like a walking Wotsit. Guidette's like Snookie from the Jersey Shore do this deliberatly, but more often than not it is accidental.
Karrie - Omg, is that Shannon Kershaw? What has she DONE?!?! I told her not to use those sunbeds!
Josh - Lol, tell me about it! She looks like a walking wotsit.