Definition of "gank"

Then I met this girl she tried to gank me / So I smacked her in the booty with M.C. Plank Bee

1989, “Car Thief”, in Paul's Boutique, performed by Beastie Boys

Jay was ganked (mugged) for $55 by some Noongar boys when Brad told them he had a lot of money on him.

2001, Delphine Jamet, Street Kid in the City‎

Just as Eazy had robbed Lonzo at Crew Cut Records, Suge and Dre had now ganked Eazy. This time, however, there was a slight problem.

2004, Mike Sager, Scary Monsters and Super Freaks: Stories of Sex, Drugs, Rock 'n' Roll and Murder, page 135

And in the old days, you know, if you ganked a drug dealer, they would beat you senseless.

2004, U.S. Congress Senate Committee on the Judiciary, Combating Gang Violence in America, page 28

“I ganked these from the Major's house last night,” I explained, reaching into the backpack to withdraw the two books.

2002, A. K. Stanfield, Zen Smoking: A Mock Epic with Stock Characters, page 261

It was one of the syringes Splinter ganked from the hospital the other day when he was in there for chest pains.

2006, N. Frank Daniels, Futureproof, page 206