When you, as a younger man/woman/whatever, groom an elder gentleman/gentlewoman/gentlewhatever into pursuing yourself despite their moral objections. Hence turning them into a nonce.
Person 1: Did you hear about what happened to Lewis?
Person 2: Ali, through reverse noncing, got him into bed
Person 1: No fucking way, Lewis is like 10 years older than him and not into younger men.
Person 2: Ali, through reverse noncing, got him into bed
Person 1: No fucking way, Lewis is like 10 years older than him and not into younger men.
by PowerhouseUnicorn October 28, 2019
by basgler1 August 5, 2018