THE ORIGIN AND THEREFORE THE USAGE OF THE EXPRESSION "HOCUS
POCUS" IS BLASPHEMOUS AND A DIRECT ATTACK AGAINST THE REAL
PRESENCE OF OUR LORD IN THE MOST BLESSED SACRAMENT.
Secular References readily attest to this fact:
THE OXFORD ENGLISH DICTIONARY - VOLUME V page 320 (1933-1978)
"Hocus Pocus… to conjure to trick … practise deception…"
1694 Tillotson Sermon xxvi II 237: "In all probability those
common juggling words of hocus pocus are nothing else
but a corruption of hoc est corpus by way of ridiculous
imitation of the priests of the Church of Rome in their trick
(sic) of Transubstantiation."
THE AMERICAN HERITAGE DICTIONARY (1994) page 399:
"Hocus Pocus… Nonsense words or phrases used when performing
magic tricks … deception trickery …alteration of Latin hoc
est corpus (meum) this is (my) body (a phrase used
in the Eucharist)."
THE BARNHART DICTIONARY OF ETYMOLOGY (1988) page 485:
"Hocus Pocus formula used in performing magic tricks
1632 … perhaps originally sham Latin used by magicians in performing
their tricks; very likely a perversion of the phrase from the
Mass hoc est corpus meum this is my body. The extended
meaning of trickery or deception is first recorded in 1774."
ENCYCLOPEDIA OF WORD AND PHRASE ORIGINS
(ROBERT HENDRICKSON 1987 page 257)
"Hocus Pocus… neither is there positive proof that Hocus
Pocus is a blasphemous Scandinavian corruption of the first
words of the consecration in the Catholic Mass. Hoc est corpus(filii).
This is the Body (of the Son of God). Many scholars lean to
this last theory, pointing out that 'hokus pokus fileokus'
is still unwittingly used in Norway and Sweden, just as 'hocus
pocus dominocus'. … perhaps the word does originally come
from the perversion of the sacramental blessing…"