a demolition job
1. A very critical attack on someone or something, especially through media outlets. The movie critic did a real demolition job on the new film in last week's paper.
2. A resounding, thorough victory over one's opponent. After Ireland's demolition job against Scotland last week, they now stand poised to win the Six Nations Championship.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
a demolition jobBRITISH, JOURNALISM
1. If you do a demolition job on someone or something, you criticize them strongly and effectively. His speech was a sustained demolition job on the prime minister's strategy.
2. If you do a demolition job on an opponent, you defeat them completely. Byram drove home his second goal to make it 3 — 1 and Scott Young completed the demolition job.
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012