FOMO: noun, adjective, verb. Fear Of Missing Out. This describes the psychology of many traders who see price move in a certain direction and are overcome with a feeling of missing out, which compels them to "FOMO LONG" or "FOMO SHORT", or even sometimes "FOMO ALL-IN".
Hodl: These are the bagholders of bitcoin. Those who choose to persistently hold coins despite market volatility. They refuse to sell when it's obvious to sell. They refuse to capitulate! Hodl!
Hopium: That lovely feeling that the price will just keep going up and up and up. Permabulls often overdose on hopium and get rekt.
Rekt: When your position is going against you. Margin called. Liquidated. Losses stacking up. Hope slowly draining away.
Volumyzer: The Chinese exchanges are well known to manipulate volume, using their 0% fee model which encourages wash trading. In times of relative market calm, traders can see large volume bars erecting on Houbi and OKCoin, indicating severe shenanigans at play.