slang Two people or things considered as a duo or in tandem. "Gruesome" is used humorously, not as an accurate descriptor. Oh boy, the gruesome-twosome is here! How are you guys?
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
n. two people or things. (Jocular. Neither the things nor the people have to be gruesome.) Well, it’s the gruesome-twosome. Come in and join the party.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.