noun. any massacre resembling the October 7, 2023 attack and massacre of 1400 people in Israel by terrorist group Hamas based in Gaza section of Israel.
verb. to carry out such a terrorist, non-military attack explicitly designed to kill civilians and take hostages, esp. one conducted by an organization without statehood by choice, thereby avoiding having to take responsibility or suffer international consequences of launching such an attack, and is financed and supplied by a separate country so as to avoid having to declare war against the attacked country and risk retaliatory consequences.