虱潰し
1
very thorough search (for contraband, escaped convict, etc.);fine-tooth-comb search;exhaustive search;scouring
救援隊は子供をしらみつぶしに捜した。
The rescue worker searched the area, looking for the child.
Other forms
しらみ潰し 【しらみつぶし】 (search-only kanji form) · 蝨潰し 【しらみつぶし】 (search-only kanji form)