A sneaky little Mexican named Luis (or Luisa, on the streets). Always late for everything especially when he is supposed to be early. Got drunk in Reno and fell asleep with some random guy.
It's used as an adjective to describe something being awesome, legendary, or ridiculously awe-inspiring. It is usually preceded with an event that is unforgettable.
"Did you hear about that billionaire?! It must be shomoney to have that much money! "
"'How I met you mother' is soo shomoney."
"Man! you were so shomoney last night at that party!"