Flippy has severe Post-Traumatic Stress Disorder (PTSD), which causes him to "flip" out and think he's back in the war whenever he's reminded of the war.

What mental disorder does flippy have?

Flippy – A green bear with a soldier uniform bearing an army sergeant insignia. He is a war veteran with a severe case of post-traumatic stress disorder.

Is flippy traumatized?

He has a severe case of post-traumatic stress disorder (PTSD).