One who drinks too much (rum, or otherwise).
Rummy is an official martial art, but is banned in many countries. In some countries it is even illegal to say the word rummy.
Only the incredibly skilled fighters are allowed to be exposed to the world of Rummy.If you have not heard about it, you are not good enough to participate.
"Rummy is a way of life."
"man, the was the sickest Rummy we have ever had!"