夜よろしく夜露死苦表記・読み:夜露四苦・夜呂死苦・よろしく1best regards; please remember me; please treat me favorably (favourably); please take care ofexpressions (phrases, clauses, etc.)副詞pun on 宜しく; orig. used by young bike-riding delinquents; now oft. joc.slang札へ残す語をコピー