Definition of "dope"

Use a good pipe dope on the NPT threads. When applying pipe dope do not put any on the first two threads from the end. Always put dope on the male thread—never on the female thread.

1977, Robert O. Parmley, Standard Handbook of Fastening and Joining, New York: McGraw-Hill, page 247

Do you remember me? / How we used to be / Helpless and happy and blind? / Sunk without hope / In a haze of good dope / And cheap wine?

1968, Roger Waters (lyrics and music), “Incarceration Of A Flower Child”, performed by Marianne Faithfull, published 1999

I got thru the lines and talked with the Captain and got all the Dope.[sic]

1917 October 25, Ernest Hemingway, “To Clarence Hemingway”, in Sandra Spanier, Robert W. Trogdon, editors, The letters of Ernest Hemingway, volume 1, Cambridge University Press, published 2011, page 55

Same with Michael Moore. When the people's champ gives us the dope on corporate bosses and sweatshop kings, he never presents their greed as some kind of deplorable personal trait.

2000 August 7, Robert Newman, “Performers of the world unite”, in The Guardian‎

“Everyone seems less excited about the war here than out there. When I do get the dope on the poster situation, I will let you know.” He and Forsythe were itching to contribute to the war effort by designing recruitment posters.

2013, Deborah Solomon, American Mirror: The Life and Art of Norman Rockwell, Farrar, Straus and Giroux, page 198

The reasons why this verification is made by her and not by the defendant is because he is a dope and a fat-head and hasn't sense enough to do it himself.

1902, “The Barrister's Shakespeare”, in The Green Bag, volume XIV, page 525

You call that steering? We almost got killed! My fault? Yeah, step over here and say that, you stripey dope! That's right, I'm talking to you!

1990 February 11, Bill Watterson, Calvin & Hobbes (comic)

Cecil Winwood accepted the test. He claimed that he could dope the guards the night of the break. "Talk is cheap," said Long Bill Hodge. "What we want is the goods. Dope one of the guards to-night."

1915, Jack London, chapter 2, in The Star Rover‎

Now, suppose another veterinarian should come along with another medicine, named “Goine;” and that a quart of it would make a horse go twice as fast, and you should dope the horse with both medicines […]

1929, Horatio Sawyer Earle, The Autobiography of “By Gum” Earle, page 105

Another way to dope semiconductors is to use materials like boron, in which each atom has one fewer valence electron than does a sillicon atom.

2011, Cathleen Shamieh, Gordon McComb, Electronics For Dummies, John Wiley & Sons, page 113

The more experienced cyclists, who doped or used to dope, transmitted the culture of doping to the younger cyclists, teaching them doping methods and suggesting which substances to use.

2015, Vassilis Barkoukis, Lambros Lazuras, Haralambos Tsorbatzoudis, The Psychology of Doping in Sport‎, Routledge

The dope conceptual beauty of the Jungle Brothers is the upful spin they put on black consciousness music, showing that being pro-black can be as much about hot fun in the summertime as gearing up for the next time.

1990, SPIN, volume 5, number 10, page 74

That was dope, E. That shit was dope, man!

2015, Jonathan Herman, Andrea Berloff, Straight Outta Compton (motion picture), spoken by Dr. Dre (Corey Hawkins)