Definition of all standing in US English:

all standing

phrase

Sailing
  • (chiefly with reference to a boat's stopping) without time to lower the sails.

    • ‘The US nuclear submarine USS San Fransisco en route to Brisbane Australia, for a port visit, came up all standing on Saturday, the 8th. of January 2005, when it ran into an underwater mountain about 350 miles south of Guam.’