The act of being ridiculously drunk to the point where you get crazy eyes and you're doing and saying some of the most absurd things imaginable.
"Yo dude, you were so shithoodled last night that you did lines off of a hooker's ass then brought that 14 year old back to your room saying that all you wanted to do was 'sexual things'."
Hey Tom, you had to drag your balls through three miles of broken glass, how do you feel now that you were given 300 billion dollars to do it?
I feel shitgood, excuse me for awhile, I'm going to rocket to my terraformed vocation house with my robot wife on Mars and bleed all over the floor tiles.
The homosexual and geek form of saying "shit dude" ... used by only the gayest online pervs and hackers. Used commonly during gay oral sex between hackers as they typing on chats, each on their respective laptops.
GayHacker: Shitdood, the battery on my laptop is going out!
HomoGeek: STFU, I'm trying to type FTW!