slang My very close, trusted friend. Typically used by a male referring to another male. John, you're my dog—would I lie to you? He's been my dog since we were little kids.
See also: dog
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
See my dog
See also: dawg
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.