He enjoys watching chillers that make his hair stand on end.

chillers 是名词，由动词 chill（使寒冷、使害怕）加上名词后缀 -er 构成，字面意思是"让人发冷的东西"。在口语中特指"恐怖片/惊悚片"，因为这类电影会让人产生毛骨悚然的感觉。