A filibuster is where an effort of minority of lawmakers, delay or block the Senate from voting on a bill or a confirmation. The minority can indefinitely obstruct something that has majority support, to make use of the chamber’s rules for full debate on an issue, from the Senate Historical Office, the term traces back to a Dutch word meaning “pirate.” Of how the Filibuster works, The Senate generally operates by unanimous consent. If any senators refuse to consent to holding an up-or-down vote on Judge Grouch's nomination, the Senate has to decide whether to overrule them. It would do so by holding a “cloture” vote on whether to end debate and proceed to a final vote. It takes 60 votes to invoke cloture, so 41 senators can indefinitely block
