pumpking
(ˈpʌmpkɪŋ) or pumpkin holder
n (Computer Science) computing a person involved in a web-based project who has temporary but exclusive authority to make changes to the master source code
[C20: pump(kin) + king; from an original practice involving a stuffed pumpkin which was passed to this person]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014