The sacred name, used by the Fremin, for the giant worms in Frank Herbert's acclaimed book series, Dune.
And now, you must conquer... shai hulud.
by Dana May 27, 2004
Shai Hulud is a fucking HARDCORE band... douche wad.
"Shai Hulud is the greatest fucking HARDCORE band.... and you're still a douche wad."
by Cam January 16, 2005