What is the origin of the phrase "monkey on (or off) my back"?
I know what it means/implies, just want to know where/how it began.
HAVE A MONKEY ON ONE’S BACK (Dictionary of American Slang) verb phrase [1930’s narcotics] To be addicted to narcotics http://www.wordwizard.com/phpbb3/viewtopic.php?f=5&t=3904
According to various online resources, the phrase originated from a reference to drug addiction. The drug is said to have dealt with a major burden like a monkey clinging to your back.