defenestration

1. (British) The high-profile removal of a person from an organization.Examples: "Be that as it may, his defenestration was coldly abrupt, and in his place, the Football Association resurrected a veteran manager and former England star in Joe Mercer for seven games."; "With Rishi Sunak and Sajid Javid gone from the cabinet, it could all be over for Boris Johnson – although quite how long it will take his enemies to finish him off is not at all clear and his defenestration does not look immediate."Britishcountableuncountable

2. (computing, humorous) The act of removing the Microsoft Windows operating system from a computer in order to install an alternative one.Examples: "Defenestration might be an option too. May I recommend Linux?"; "It's defenestration day in Redmond today. A clearly stunned Microsoft did what it could to pretend that Judge Jackson's findings of fact were "just one step", as [Bill] Gates put said in the prepared statement that he read at a press conference last night, but it was hopeless."; "No defenestration here. Ask questions about all aspects of Windows programming, get help on Microsoft technologies covered in Apress books, or provide feedback on any Apress Windows book."countablehumorousuncountable