Top Definition
A large metal, aluminum, or wooden shaped rod used in the jewelry industry to measure the size of rings and to jam in the pussy of horny female sales associates.

Also can be broken down to be pronounced as "Man Drill" instead of Mandrel.
(Bob) Hey Barbara, can you pass me that ring mandrel so I can see what size this customers' ring is?
(Barbara) Sure can, as soon as I'm done pleasuring myself with it!
#rod #vibrator #iron rod #mandrell #man drill #dildo #masturbation
by Definiapro20034 February 26, 2011
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