A phrase often used by those in the cryptocurrency community. Usually used when the value of currency goes up high very rapidly.
Bitcoin Jackson: WOW! One bitcoin is now worth $900! And it's only gonna go up! Up to the right and to the moon!! A month later.... Bitcoin John: Hey Jackson, so I heard that you made a ton of money from bitcoins. Did you invest at its peak?
Bitcoin Jackson: yeah.... about that... I don't want to talk about it.