experiment Moz.com z Google Disavow Tool

http://moz.com/blog/google-disavow-tool

To find out how much damage I could do, I performed an experiment: Disavowing every link pointing to my website. Over 35,000 of them.

The evidence suggests one of three possibilities:

You must file a reconsideration request after disavowing your links, or...
The disavow has built-in safeguards in order to protect you from disavowing good links, or...
It takes longer than 2 months for Google to process all the links.