rubber room
n.— «Once, Watson boasted that he played golf in his own private “rubber room:” a state of concentration and confidence so deep that the perils of the course and his own psyche could not reach him.» —“Slumping Watson Is ‘Discouraged’” by Thomas Boswell in Augusta, Georgia Washington Post Apr. 11, 1984. (source: Double-Tongued Dictionary)
Further reading
Megan from Savannah, Georgia, is curious about a phrase her father used: down cellar behind the axe, a phrase whose meaning she never quite understood. Down cellar, meaning “down in the cellar,” is common in New England and the Canadian Maritimes...
A Navy veteran recalls hearing the Southern expression fat lighter from his wife’s family in Troy, Alabama. It denotes an old, resin-rich pine wood that becomes highly flammable as it ages. Fat lighter is prized as kindling and often called fat...