skinhead
noun uk/ˈskɪn.hed/ us/ˈskɪn.hed/
[ C ]（常指暴力团伙中的）短发青年，光头仔
a young person, especially a man, who has very short hair or no hair and is part of a group, often a violent group
[ S ]平头（发型）
a hairstyle in which the hair is so short that the skin on the head can be seen