Hair that has been bleached (and bleached) until it becomes light in color. Not to be confused with orange or green. Fake blonde is unnatural blonde. May have toner over the bleach to add "natural" highlights.
A disorder that many fake blondes come across where although to the rest of the world they may look very blonde they see themselves as their hair still being very dark. Often resulting in futherlightening and lightening without ever reaching desired result. In other words, to you they look blonde, to themselves they look brunette.