ぎっくり腰 ぎっくりごし Also written ギックリ腰 Meanings Noun strained back; slipped disk; lumbosacral strain Kanji 腰 waist. Read as こし. Example sentences ぎっくり腰なんです。I have a strained back. Common phrases ぎっくり腰になる Jinuma: Japanese Dictionary · Word lists