
The head of the drilling crew on an oil or gas rig. What began as a joke name for the man in charge of the equipment is now an official term for the leadership position.
by Ian May 04, 2004

by Ian January 20, 2004

by Ian March 11, 2004

by Ian November 20, 2003

One whose head is as organised as a garden shed, ie full of any old crap!! A very forgetful or stupid person.
by Ian May 07, 2005

by Ian March 15, 2003
