look up any word, like blumpkin:
 
1.
To deny knowledge of a situation to avoid responsibility of knowing about a situation and so to appear innocent.

From Sergent Schultz of Hogan's Heroes catch phrase "I know nothing. I see nothing."
Marc: I know Sarah told you what really happened. Tell me.
James: I'm sorry, I have Schultz Disease.
by Lulupop April 28, 2010