ghost someone
ghost
1. slang To ignore someone until they go away, rather than directly expressing one's disinterest, especially in virtual communications. This phrase is often applied to failed love connections. That guy I went out with last week kept texting me, but I just wasn't interested, so I had to ghost him.
2. slang To kill someone. The boss told Ray to ghost the informant.
ghost someone
tv. to kill someone. Mooshoo threatened to ghost the guy.