The phrase "demolition job" refers to a complete or thorough destruction or dismantling of something, typically a building or a task. It implies the act of tearing down or demolishing in a forceful and effective manner. Full definition
Normally come in demolition jobs on weak teams. (justarsenal.com)
In the league they've been rampant and counter Arsenal's hugely impressive string of away wins with four successive home victories of their own in the Premier League, not to mention their latest demolition job of Blackburn Rovers as the Red Devils routed the Lancashire outfit 7 - 1 — Dimitar Berbatov taking his league tally for the season to 11 goals, 10 of which were scored at Old Trafford including two hat - tricks. (football-bookmakers.com)
The modern demolition job done by exegetes is now being re-studied by those exegetes. (faith.org.uk)