A Tamil speaker who lives in Bangalore, used a mild insult.
Katpadi is a town in the north of Tamil Nadu, and is the first major Tamil railway station you come across when travelling from Bangalore to Chennai, hence the name.
usually happen among touchscreen phone user,when they keep tapping the screen of non touchscreen phone without realize it's not a touchscreen phone and it has a real keypad
Took several seconds to realize she got keypad amnesia while borrowing my old Nokia 3230.