Subgenre of horror films involving a violent psychopath stalking and murdering a group of people, usually by use of bladed tools
A slasher film is a subgenre of horror films involving a killer or a group of killers stalking and murdering a group of people, usually by use of bladed or sharp tools. Although the term "slasher" may occasionally be used informally as a generic term for any horror film involving murder, film analysts cite an established set of characteristics which set slasher films apart from other horror subgen... Wikipedia