せすじさむ 背筋が寒くなる Show inflections LinksSentence search for 背筋が寒くなるSentence search for せすじがさむくなるKanji details for 背, 筋 and 寒Edit in JMdict Expressions (phrases, clauses, etc.), Godan verb with 'ru' ending1. to feel a chill run down one's spineIdiomatic expression Discussions Log in to talk about this word.