See ya then! 

Cooler than "See ta later", a smooth way to announce the intent to revisit with someone in the future without actually making any solid or tentative plans to do so.

Mitch "So I guess we'll have to finish this sometime within the next couple of weeks? We'll have to look at our schedules."
Hanna " Sounds good, See ya then!"

See ya then! by James Fallon September 1, 2019

seeyathen 

A word which is stated at the end of a conversation when the individual stating it feels a negative vibe towards the conversation.

Person A: "Laters John!"
Person B: "Seeyathen..."

seeyathen by jumbuckk January 16, 2013