malicious prank
A person who takes cruel pranks past acceptable. The worst type 「griefer」 who tries to cause harm or hurt or physically damage you or your property to get a laugh at your expense. Highly detrimental to your health.
Girl: OMG they super glued some guy to the toilet seat. His legs were bleeding!
Guy: What in the hell? What lame excuse for a human being would do such a thing? I hate malicious pranksters. How cruel.
Guy: What in the hell? What lame excuse for a human being would do such a thing? I hate malicious pranksters. How cruel.