The Free On-line Dictionary of Computing (19 January 2023):

go root

   [Unix] To temporarily enter root mode in order to perform a
   privileged operation.  This use is deprecated in Australia,
   where the verb "root" refers to animal sex.  See su.

   [Jargon File]


The Jargon File (version 4.4.7, 29 Dec 2003):

go root
 vi.

    [Unix; common] To temporarily enter root mode in order to perform a
    privileged operation. This use is deprecated in Australia, where v. ‘root’
    is a synonym for “fuck”.