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13.
Annoying and noisy stadium horn commonly used during the 2010 World Cup games in South Africa. In slang, this means an ANNOYING and/or noisy person. A general jackass.
"That Rajon Rondo was such a vuvuzela at the game against the Lakers tonight."

OR

A: "Why did you guys break up?" B: "OMG. He would not shut the eff up, he was a straight vuvuzela. I was trying to watch Sex and the City!"
by Maryameee June 13, 2010
 
1.
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.
by teller of truths10 June 13, 2010
 
3.
An annoying trumpet-like instrument played by fans, mainly in African countries, in football matches. They may be banned from Fifa for the 2010 Fifa World Cup in South Africa.
Fan #1: Did you hear the fans go crazy when South Africa scored the goal yesterday?
Fan #2: No! I had to put my television on mute because of those damn vuvuzelas!
by Soccer Fan September 07, 2009
 
4.
A female porn-star, or one who has all the makings thereof: Plastic, horny and makes a hell of a noise whilst blowing.
See that Jenna Jameson? She's a right vuvuzela.
by Captain Quark 1 June 15, 2010
 
5.
An annoying, long plastic horn blown by African fans (especially South Africans) during football (soccer) matches. Unlike cheering or clapping, vuvuzelas are blown in a non-stop, monotone manner throughout an entire match.

They made the 2010 FIFA World Cup sound like a giant hive of angry bees.
by From South Africa with Love June 14, 2010
 
6.
A trumpet used in football matches.

Often mistaken with the sound of Chewbacca taking a shit.
Terrorist #1: I went to the toilet the other day. Sounded like a real vuvuzela.
Terrorist #2: I'm not your friend anymore.
by RandomNinja June 15, 2010
 
7.
A horn that ruins football matches with a loud annoying noise that serves no purpose - that's not used in the tempo of the game - just blown non-stop for 90mins in a retarded way
I very much like football to show my love of the game i will blow my vuvuzela for the next 90mins - i wont even watch the game i will just blow and blow and blow & blow - phrase the lord!!
by coroner01 June 14, 2010