Origin: Hokkien – it means fortunately or luckily
Heng is used to express some event that you are lucky or fortunate to encounter or to avoid.
Lucky/fortunate encounter: “Today I bought $1 4D lottery and I was sibei heng to win the Top Prize!!
Lucky/fortunate avoidance: “I initially wanted to buy 10 lots of Laoya International shares but decided not to…..and the stock price dropped by 50% at closing…I was damn heng man.