Stands for mouse. Commonly mistaken as mauFIVE by noobs that don't know who Deadmau5 is. Deadmau5 ftw....
Kids listening to deadmau5, someone decides to be nosey and see what hes listening to and says... Dead maw FIVE???!!.... -.-
by RaveRemix March 11, 2011
A poor way to spell the word mouse, usually used by low-class students who don't quite know where to get proper source5.
Over 60 percent of students fail English class for spelling "mau5" instead of mouse.
by deadmau5 fan 1010101 July 12, 2011