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1. A series of raised linear or globular protuberances on a metal surface to aid in gripping.
2. The tip of a penis.
1. I get my knurling done at the public lathe in Bridgeport.
2. Please touch my knurl.
by Deez Nuts on Joe Mama's Face January 25, 2010
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The name of a specific thing that has no name, or who's name you can't remember, but which your audience will instantly recognise by the name "knurl" when used in a sentence.
"The knurl on my iPod is bung, so the volume is stuck full on" or "You need a special knurl to open the battery compartment".
by Gr@w/!x March 11, 2011
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