whiskey plank
n.— «The whiskey plank, as it is called because sailors traditionally have a drink or ten after they finish planking a ship’s hull, was cut to fit by Teddy Huff, who has been working at the shipyard about five months.…When he put the final bolt in place, a cheer went up across the shipyard.» —“One last plank and a shot of whiskey make it real” by Brian Hicks Post and Courier (Charleston, South Carolina) July 22, 2006. (source: Double-Tongued Dictionary)
Further reading
Trivia time! Where in the United States can you visit Soda City? If you answered Columbia, South Carolina, you’re right! This nickname apparently derives from an old practice of abbreviating Columbia as Cola. The locals then referred to the town as...
Twice a day the River Thames recedes, revealing a muddy shoreline. Hobbyists known as mudlarks stroll the surface searching for objects that have found their way into the river over the centuries, everything from ancient Roman jewelry to modern...
In film production, the last shot of the day is traditionally known as the “martini shot” for similar reasons.