What is a Boilermaker? What is a Boilermaker? coal-heaving What is a Boilermaker? What is a Boilermaker? coal-heaving What is a Boilermaker? nickname, http://www.purduesports.com/trads/what-is-boilermaker.html What is a Boilermaker? What is a Boilermaker? What is a Boilermaker? Purdue site What is a Boilermaker?