have a monkey on one's back

have a monkey on (one's) back

1. slang To have a drug addiction. Did you hear? Pete checked himself into rehab because he has a monkey on his back.
2. slang To have a burden. I have such a monkey on my back right now with this project—I can't wait for it to be over.
See also: back, have, monkey, on
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

have a monkey on one’s back

tv. to have a drug addiction. (Drugs. Have got can replace have.) Gert has a monkey on her back.
See also: back, have, monkey, on
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.