
Filibuster
Tactical Delay
In politics, 'filibuster' describes a deliberate speech tactic to delay decisions in legislative bodies. 
Negative Connotation
'Filibuster' can imply wasteful talk without constructive outcome, often frustrating for those awaiting a decision. 
U.S. Senate Usage
The term is especially known in the U.S. Senate where senators may speak at length to prevent a vote. 