Much like a Schizoid, this is the lowest level of Schizophrenic, Deluded, Nuts, Whacko people out there.
"That dude that was hitting on you at that dive bar was a real SHITZOID!"
An exclaimation made as you react to something that's incredibly amazing and also gross.
Janna - "Omg! They are taking out this lady's arm flab with lipo!"
Angie - "HOLY SHITZOID!"