But that's a great lyric!
I think it refers to a crematorium chimney
(
CanonCaliber A big bore,
Fri 14 Aug 2009, 15:44,
archived)
It's a reference to the Wizard of Oz
Dorothy drops a house on the witch
(
emvee cruor deo cruoris,
Sun 16 Aug 2009, 10:34,
archived)