This expression translates directly to, 'the immaculate
octopus mary magdalen' and is used to express awe in a situation of disbelief and utter shock.
Only those of profound
knowledge are able to attain such vocabulary of mass intellect. It is said to have been passed down from generations.
e.g. Kenneth: kont taf li il-bajd ta Gandhi ghandhom riha ta laham nej? (did you know that Gandhi's ball sack reeks of raw
meat?)
Maurice: l-immakulata qarnita marija madonna, waqqajtli tlett sufiet minn imniehri! (he immaculate octopus
mary magdalen, i have shed three nose hairs!)