In American science fiction of the 1950s and '60s, psionics was a proposed discipline that applied principles of engineering (especially electronics) to the study (and employment) of paranormal or psychic phenomena, such as extrasensory perception, telepathy and psychokinesis. The term is a blend word of psi (in the sense of "psychic phenomena")...
ESPECIALLY when the wielder in question's gotta hold one or two fingers up to their temple like "oh hold on i'm getting a call from this PSYCHIC BLAST WAVE"