Uncle

When is it acceptable to address a stranger as 'uncle' or 'aunty'?
Don't call him 'uncle' when you know his name, says two-time presidential candidate Tan Kin Lian
Uncle quarrels with younger man over MRT priority seat: 'You're Malaysian, go back to your country'
Uncle scolds couple for hugging and holding hands on bus, asks driver to call police
Driver arrested in Geylang: New video allegedly shows him causing ruckus