Top Definition
Any car produced by any American motor company, regardless of the actual car's origin. Detroit Steel is generally used to describe the original pony cars of the 1960s.
"I love the 1967 Camaro, its 396 cui or raw American power. You cannot beat that Detroit Steel."
by November 03, 2008
The extremely rigid, rock-hard, ever-lasting hard-on of man from the D.
"Ummmmm, Detroit Steel."
"You can't bend steel."
"I can't go no more"..."look at it...yes you can"
by fluid grrll October 19, 2011

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