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1.
Canada's apology for Justin Bieber. Apology accepted.
I'm excited about the Deadmau5 concert tonight.
by DJ Utster April 10, 2011
 
2.
Deadmau5 (pronounced "Dead mouse"; born Joel Zimmerman)- a Grammy nominated progressive-house and electro-house producer, DJ, and remixer from Toronto, Canada.
When I hear "house" the first DJ I think "Deadmau5".
by kjbassmastur21 April 19, 2009
 
3.
An extremely popular electronic music producer and performer. He is Canadian born and is currently based out of Toronto. According to various sources deadmau5 (aka Joel Zimmerman) was the 6th most popular "DJ" in 2009.

Technically deadmau5 is not a disk jockey as he performs his tracks semi-live using the program Ableton Live and various gadgets that are not disks, and he does not ride race horses. Therefore neither the words "disk" or "jockey" have anything to do with what he does with music.

Some of deadmau5's more popular songs include "Ghosts n Stuff", "The Reward is Cheese", and "FML"
I can't wait to go to the deadmau5 show!
by Rellik Uzi August 12, 2010
 
4.
Deadmau5...is not a mouse as most would believe, but a super hot guy from Canada named Joel.

He wears a mouse mask that covers his entire head, making him look like a dead mouse who plays electronic music, and at times, collapses on stage, causing mass destruction and potential electrocution.
Oh my god! Deadmau5 isn't a mouse?? I never knew that!! I always thought he was a small woodland creature!
by Rellik Uzi August 13, 2010
 
5.
Deadmau5, pronounced Dead Mouse, NOT Dead Maow Five, is possibly the most genius artist ever to brave the music industry. Although he has many good songs, many of these are more or less unknown, because mainstreamers are too lazy to bother getting more than the easily downloadable or buyable, Ghost's 'n' Stuff, FML, and Strobe. Another mainstreamer problem with Deadmau5, is that he is often referred to as Mickey Mouse, or a Raving Rabbit. This shows how unappreciative people can be to true genius.
Have you heard Deadmau5' new song, Get In The Cart, Pig?
by MinecraftMau5 December 03, 2010
 
6.
A super hot Live PA who I am in love with.
I wish deadmau5 would marry me. My life would then be complete.
by Rellik Uzi August 13, 2010
 
7.
A super awesome Canadian techno/ house producer. Created tracks such as "some chords" and "ghosts n stuff". Uses a mau5head as his emblem.

Pronounced "dead mouse", not "dead mau five"
Deadmau5 is awesome!
by Bojojo June 15, 2011