From Longman Dictionary of Contemporary Englishcrawl/come out of the woodworkcrawl/come out of the woodworkAPPEARif someone crawls out of the woodwork, they suddenly and unexpectedly appear in order to take advantage of a situation, express their opinion etc – used to show disapproval → woodwork
Examples from the Corpus
crawl/come out of the woodwork• There are wallabies crawling out of the woodwork.• Creativity was coming out of the woodwork. 