Someone who is lazy, lives off of welfare, and doesn't care enough about their lives to start using the money in a useful and productive way, and instead, wastes the money on cars, drugs, etc. The monkey part likely refers to dark skinned people. This term seems to be used solely to refer to citizens of the United States of America.
"Henri used his welfare money to buy more crack, what a Welfare Monkey."
by {|F-n-A|} March 10, 2023
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