I have a stack of no-docs on my desk.

The DOCs are responsible for reviewing and approving documents.

I just bought a new pair of Docs.

The DOCS is responsible for managing correctional facilities.

I need to make a doc drop at the office.

I need to doc drop these files at the office.

Dr. Smith is a priv.-doc. at the university.

He is a priv. doc. at the university.

She is currently working as a post-doc at a prestigious university.

He doc dropped the files on the desk.