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.

Mumbo-jumbo; obscure language or technicalities; jargon.

"I don’t know all the theoretical abracadabra about how it works, I’m only its pilot."

Used to indicate that a magic trick or other illusion has been performed.