Heard throughout the ifnals tournament, what is the South African name for the plastic horn that emits a loud buzzing sound?

The vuvuzela is the plastic horn that produces a loud, monotonous buzzing sound and became iconic during the 2010 World Cup in South Africa. It's traditionally blown at soccer matches in South Africa. A makarapa is a decorated miner's helmet worn by fans, a didgeridoo is Australian Aboriginal instrument, and bazooka is an anti-tank rocket launcher - also a type of chewing gum brand.