An adjective used to describe an incident where the turn of event resulted in the pleasure of one. Term used from "Hedonist/Hedonism".
Person 1 " Dude, what are you up to tonight?"
Person 2 " Probably get hammered, watch the game and nail my wife"
Person 1 " That's so Hedo, I love it!"
Person 1 " I was so Hedo last night, I got head from my girl and didn't return the favor"
A friendly greeting when meeting another person.
HEDO?! What you guys up to?