psychoglycemic

A condition of hunger or low blood sugar which causes irritation, confusion, and unpredictability.

Roots:
psychosis -- altered mental state
hypoglycemia -- decreased blood sugar

"I was so hungry that I couldn't drive OR decide where to go to get food. I was psychoglycemic."

"Quit asking what I want to eat! I'm psychoglycemic, so let's just get food in my mouth, OK?"

Psychoglycemic

Extreme and borderline violent behaviour caused by hunger. Next stage from Hangry!

Ye gods! My wife is at the peak of hanger!
No good sir, she has become psychoglycemic, run for the hills!