German "Ach du lieber"?
John: The coffee's by the fridge, so you know. I'll be in my office.
Dave: Okay, thanks.
2 minutes later
- Dave walks into John's office-
Dave: Wait, where's the coffee?
John: Oh, for the love of...
Yeah, I got a bit creative there. But sort of the version of "Ach du lieber" used in a mocking or exasperated tone. Thanks.