Nice going!

nice going

informal An expression of praise for having done something well. (It can also be used sarcastically to mean the opposite.) A: "Dad, I got an A+ on my midterm exam!" B: "Nice going, sweetie!" Nice going, Frank. Now we're going to have to rebuild this entire model from scratch.
See also: going, nice
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

Nice going!

 and Good job!; Good going!; Nice job! 
1. Inf. That was done well. John: Well, I'm glad that's over. Sally: Nice going, John! You did a good job. Tom: Nice job, Bill! Bill: Thanks, Tom!
2. Fig. That was done poorly. (Sarcastic.) Fred: I guess I really messed it up. Bill: Nice job, Fred! You've now messed us all up! Fred: Well, I'm sorry. "Nice going," frowned Jane, as Tom upset the bowl of potato chips.
See also: nice
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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References in periodicals archive ?
They generally begin to recognize sarcasm between ages 6 and 8, especially familiar sarcastic praise such as "Thanks a lot!" and "Nice going!"