Region: UK | Usage example: Even on vacation he was answering emails, a true busman's holiday.

Busman's holiday

Meaning

A day off spent doing the same kind of work.

Used when leisure time still feels like work.

Origin notes can vary by region and source; this page gives the commonly reported explanation and usage context.

Refers to bus drivers spending free time still on buses.

British expression traced to the 19th century.