What it means
Ong, short for on god, is sworn emphasis to insist you are dead serious or telling the absolute truth: ong, that actually happened. The verbal hand-on-heart of total sincerity.
Usage examples
"Ong, I waited two hours and they never showed."
"This is the best burger in town, ong."
"Ong I left my phone on the bus and just stood there sick."
"You ate the whole box by yourself, ong?"
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Where it comes from
Ong is just the clipped text form of on God. It took off in online chat and Black American slang as a fast way to swear you're telling the truth or that you mean what you said with full chest. Same promise, shorter keyboard sprint.
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