Moon in the crypto world is when the price of a token shoot up to exponentially. It acts as a verb, "to the moon" coverts as "to moon". The evolution of the word in this context is due to the amount of gains crypto enthusiasts who see "mooning" as a real possibility. This makes it more of a trading term. Example "I think this coin will moon", not a bad way to say that you think the price will increase by many hundreds of a percent.