The region "Karnataka Tamil Nadu" has 2 entries
Prime examples involve the sharing of glasses, cutlery or crockery once they've made contact with your lips/fingers. If it's involuntary or absent minded, you may get off with a mild rebuke. If it's intentional because you're modern with modern outlook and like yanking people's chain when it comes to matters of superstition and religion, you will be on the verge of ostracism while your mummy wonders where she went wrong. And rushes off to offer a coconut to her favourite deity, a prayer on her lips....
Mother: Ayyo....what kind of neanderthals have I raised? Shantam paapam...immediately go and wash up with Lifebuoy and put yenjil glass in the sink....