While it is easy to spot some ladyboys I can bet nearly everyone one of you who have been to Thailand have been fooled at least once before. I don't necessarily mean have done the deed, but looked at one not knowing, although I am sure there are a few who have been fooled an are either too scared to admit it or just did not know.
Those of you who think you have a simple recipe for spotting them think again. I have been with many ladyboys over many years and still even I get it wrong sometimes.