1. proper noun. #54 Middle Linebacker for the Chicago Bears who can tear any player apart
2. adj. beast
3. verb. the act of smashing an inanimate object to the ground followed by saying, "Urlacha'". Popularized by Kevin in 2003.
Did you see Urlacher Urlacher Mike Vick's pass and then break T.J. Duckett in half?
Yes, Urlacher is a beast.
My balls itch.