WYSIWYG means What You See Is What You Get
W hat Y ou S ee I s W hat Y ou G et
It means that you will get whatever it is you see. This is commonly used for textboxes in webforms. Here are the commonly used WYSIWYG editors.
Sample Usage in Conversation
Ned: I want to buy that awesome car
Joffrey: The price is $10,000
Ned: Are there any freebies?