To understand, approve of, or enjoy something. I really dig this music, man! I dig the way you stood up to that bully.
See also: dig
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
1. tv. & in. to understand something. I just don’t dig what you are saying.
2. tv. to appreciate something; to like something. He really digs classical music.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.