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(Noun) In the Automotive industry, a homosexual mechanic or one who is predisposed to flamboyant car modifications.
"Look at the hectic neons on that Nissan! I'll bet you the owner is a camshafter"

"Those camshafters in the HKS factory give a whole new meaning to the term 'blown engine'".
by Ynngwie J Malmsteen August 10, 2009