Diane! this one's for you... bwahahahaha
courtesy of urBan dicTionAry.
"A mind-numbing torture device made of cheap, brightly colored plastic. It resembles a horn but its pitch cannot be changed. It is being used during the 2010 World Cup in South Africa.
I thought I heard an angry swarm of bumblebees, but it was the sound of vuvuzelas playing at the World Cup."
you're welcomed, baby... ya knows i loves ya.