Maltheism
Origin
Macaronic nonce coinage from mal-, from Latin malus ("bad"), + theism (compare misotheism and dystheism). Attested in Usenet discussions from 1985http://groups.google.com/groups/search?lr=&safe=off&num=10&q=maltheism&safe=off&qt_s=Search&as_drrb=b&as_mind=1&as_minm=1&as_miny=1981&as_maxd=4&as_maxm=10&as_maxy=1986