postman’s holiday
n.— «Postman’s Holiday…A postman who takes a walk on his holiday is a joke. Last week the nation chuckled when it was revealed that Postmaster General James” Aloysius Farley had been granted a payless leave of absence from his Cabinet post, would spend his new leisure at politics.» —“Postman’s Holiday” Time July 20, 1936. (source: Double-Tongued Dictionary)