boilermaker

noun2

1. •
   A person qualified to make or repair boilers.

   • The sole boilermaker visited the out-depots if necessary, but such occasions were exceptional, engines being worked up to Horsham on suitable duties and changed over as required. — 1952
2. •
   (US) A whiskey with a beer chaser.

   • the beauteous Asian was […] knocking back boilermakers and their helpers at an astonishing pace. — 2006