come out of _ woodwork
口语·形容突然大量出现（多含贬义）
例句
After he won the lottery, old friends came out of the woodwork asking for money.
典故来源
源自昆虫从木制品缝隙中突然出现，比喻人或事物在特定情况下从隐蔽处大量涌现。