A Boiler Room Brawl is a professional wrestling match type. It is known as being one if the signature matches of Mick Foley. The first Boiler Room Brawl occurred at Summerslam 1996 and was held between Foley (using his 'Mankind' persona) and The Undertaker.
Here is a brief history of the Boiler Room Brawl.
Summerslam 1996 - Mankind def. The Undertaker
Backlash 1999 - Mankind def. The Big Show
September 21, 1999 episode of Smackdown - Triple H def. Mankind
December 20, 1999 episode of Raw Is War - 'Santa Claus' def. Mankind