An (Matroska Video) file is a "container" format that can hold multiple video, audio, and subtitle tracks in one file. It is widely used for high-definition content because it preserves high quality and supports features like multiple audio languages or chapters. Warning on Unverified Files
Files labeled with generic, high-interest names like "School Bullies" are sometimes used as bait to spread malware. Always scan downloads with reputable security software. Fancy Steel - School bullies.mkv
A clip depicting an incident involving school-age children, often shared in "justice" or "bully-gets-owned" communities. An (Matroska Video) file is a "container" format