jenchu
A person who does not acknowledge his or her own heritage. Will generally try to fit in with people that they don't fit in with. Common causes are low self esteem or being unattractive. They are typically found in western countries like the United States, Germany, Australia and the UK.
"I heard Jimmy was going out with a girl jenchu" - Bob
"Yeah, apparently he can't even work out what the **** she is" - Jeff
"Yeah, apparently he can't even work out what the **** she is" - Jeff