Necktie social
"Necktie social", or "Necktie parties", is a euphemism for execution by hanging commonly used in the American Old West. Additionally, the term is also used literally, for a social event that involved selling donated neckties for charity.
The term "necktie party" was used by one of the justices during oral argument of Hamdan v. Rumsfeld in the United States Supreme Court on March 28, 2006.