"See you in hot" is a compliment used by redditors, as there is a feature "sort by hot."

If a post is seen in "Hot", it most likely has over a hundred/thousand upvotes.
Every post starts is "New", which is the time that redditors use this compliment .

A cultural and aesthetic mind-state that prioritizes making money, even as an “underground” or “radical” creator. The work isn’t made for money, but it’s the money that matters the most.