Well, he played College Football at North Texas State University (now University of North Texas), and their nickname is "Mean Green." So, I would assume that either he got his nickname from that, which would answer the question, or they took on that nickname from him, which would still leave the original question unanswered.
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∙ 2007-11-24 01:57:58Mean Joe Greene is living in Texas.
Mean Joe Greene is 6' 4" tall.
punishing tackles
What does Joe Greene do as a job today? What does Joe Greene do as a job today?
'Mean' Joe Greene was born on September 24, 1946.
'Mean' Joe Greene was born on September 24, 1946.
"Mean" Joe Greene retired at the age of 35.
On September 24, 2012, Mean Joe Greene will be 66 years old.
Mean Joe Greene played his entire career for the Pittsburgh Steelers (1969-1981).
Mean Joe Greene was a member of the Steelers from 1969 through 1981.
Mean Joe Greene wore #72 in 1969, and #75 for the rest of his career with the Pittsburgh Steelers.
Mean Joe Greene was born in Temple, Texas and now resides in Flower Mound, Texas.