What is Anonymous Jack?
1.
The use of the name "Jack" when asked for the first name, instead of using the term "Anonymous." Anonymous Jack must be used the same way the name "John Doe" would be used.
Of course, you dont actually tell the person or form that its anonymous.
Note: Commonly used on the the east coast.
"Whats your name?"
"Jack."
The anonymous part in anonymous jack is not used unless you confess later that you did not use your real name.
See