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1.
(Slang) To obtain a blood glucose reading. Term is used mostly in the medical setting when the need arises for a blood sugar count.
"Jimmy, get a blood pressure and a perform a D-Stick for me,"
by Medik Fitty Nine July 10, 2008
 
2.
penis, wiener, shlong, dick, cock, man tool
That hoe's been tryin to get my d-stick for years!
by MonkeyManManMan May 26, 2010