Fire in his boiler

Posted by Smokey Stover March 14, 2009 at 13:33In reply to Fire in his boiler posted by Pierre on March 12, 2009 at 08:55:

Does anyone know the origins/meaning of the phrase 'he has a fire in his boiler'?

The origin, no. The meaning: he can still get up some steam. I would not be surprised if the context hinted at a sexual meaning.
SS