Jkjk.... Unless??
Often paired with ironic use of emojis, it's used to indicate an ironic willingness to act on a (usually wacky) idea
Example:
"what if we kissed 😳 and we were both boys 😳... Jkjk.... Unless?? 👀 👉👈😳🥺"
"what if we kissed 😳 and we were both boys 😳... Jkjk.... Unless?? 👀 👉👈😳🥺"