mother of Satan
n.— «The explosive believed to have been used by the bombers is triacetone triperoxide (TATP), also known as “Mother of Satan” because of its instability and lethality. It can be made from household items.» —“Australian bus terror victim dies” by Sasha Shtargot in London, England The Age (Sydney, Australia) July 16, 2005. (source: Double-Tongued Dictionary)