What's the scam?

What's the scam?

What's going on? What are you trying to pull? Said when one is suspicious of someone else. A: "Why would you be afraid of talking to the police if you haven't done anything wrong? What's the scam, Mr. Thompson?" B: "Nothing, I swear! Police officers just make me nervous, that's all."
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

What's the scam?

 and What's the deal?
Sl. What is going on around here? (Often implies that something seems to be wrong.) There's a big rumpus down the hall. What's the scam? I gave you a twenty, and you give me five back? What's the deal? Where's my other five?
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

What’s the scam?

and What’s the deal?
interrog. What is going on around here?; Explain what is happening or what you are doing. What’s the scam? What’s happening, dude? I gave you a twenty, and you give me five back? What’s the deal? Where’s my other five?
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
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