ABRACADABRA
abracadabra
(noun) gibberish and nonsense
Source: WordNet® 3.1
Etymology
Noun
abracadabra (plural abracadabras)
A use of the mystical term ‘abracadabra’, supposed to work as part of a healing charm or a magical spell; any spell or incantation making use of the word. [from 16th c.]
Mumbo-jumbo; obscure language or technicalities; jargon. [from 19th c.]
Interjection
abracadabra
Used to indicate that a magic trick or other illusion has been performed. [from 19th c.]
Synonym: hey presto
Source: Wiktionary
Ab`ra*ca*dab"ra, n. Etym: [L. Of unknown origin.]
Definition: A mystical word or collocation of letters written as in the
figure. Worn on an amulet it was supposed to ward off fever. At
present the word is used chiefly in jest to denote something without
meaning; jargon.
Source: Webster’s Unabridged Dictionary 1913 Edition