What does Ang Moh Sai mean?

Ang Moh Sai meaning in Urban Dictionary

actually converted, indicates 'red-head's shit' or 'Caucasian shit'. Familiar with explain Asians or Chinese who are unable to speak the Chinese Language dialects (their indigenous languages or mama tongue), but who is able to talk English. Definitely not a derogatory or rude term, but began as such to mock the Chinese whom would/could just talk English.