Meanings

geomagnetic reversal

reverse rape

(TV or radio host) calling a listener

reverse voltage

(chromosomal) inversion

if anything

if anything

opposite direction

unexpected comeback

(crime of) treason

opposite side

five cardinal sins (killing one's father, killing one's mother, killing an arhat, shedding the blood of a Buddha, causing a schism within the sangha)

crime of killing one's master or parent (Edo period)

retrograde amnesia

five cardinal sins (killing one's father, killing one's mother, killing an arhat, shedding the blood of a Buddha, causing a schism within the sangha)

asking a question back (e.g. to an interviewer)

dramatic turn-around

acid reflux

sending back

nominating oneself (to something one is usually nominated to by someone else)