Americans who were born in a Muslim family but don't follow the traditions. The "moo" comes from the freedom to eat beef...you are what you eat.
Mahammod: Dude I f*ckin love in-n-out
Jeff: WTF!? Aren't you NOT allowed to eat beef?
Mahammod: Naaah man me and my bros are mooslims.
Jeff: WTF!? Aren't you NOT allowed to eat beef?
Mahammod: Naaah man me and my bros are mooslims.
by AyeWhole January 07, 2011
Mooslim is actually the same thing as a muslim, but the problem is many mispronounce the world Muslim saying Muslim instead of Mooslim.
by Ali Muah November 08, 2007