The coy giggle, a playful 'oops,' or a hint of shock.
U+1F92DRepresents a sense of shock, surprise, or embarrassment. It can also be used to convey a suppressed giggle, a cheeky secret, or a playful 'oops!' moment.
The ambiguity allows it to be used for both genuine surprise and playful gossip, depending on the conversational context.
Supported on all major platforms, though the expression in the eyes (smiling vs. wide open) may vary slightly.