The "Hang 10" emoji is used to put a definitive end to a conversation while letting the recipient know that everything is cool. No response is required to a message that ends with this emoji.
Six, pronounced like "lyu," sounds identical to "smooth" (as in smooth operator) in Chinese, a common slang for praises.
Often repeated at least 3 times (i.e., "666" or "🤙🤙🤙") if not used in-line.
An emoji featuring a hand with thumb and little (pinky) finger extended, making a traditional phone-like shape. May be used in conjunction with a face to suggest “call me” (please).