To attack one, especially in an ambush. I didn't see the attackers coming at all—they totally dry-gulched me.
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
to ambush someone. The outlaw dry-gulched the traveler and took everything he had. The posse planned to dry-gulch the outlaw by waiting outside his favorite saloon.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.