Really severe that you are unable to leave your bed and care for yourself.
I used to have a severe phobia of heights when I was two because I couldn't stand seeing the bottom of stuff
Cibophobia Sitophobia
cibophobia
Smacking could be counted as assault.
That is called a startle reaction. It is not a phobia. Severe startle reactions are often related to childhood trauma.
phagophobia is the fear of eating
Liver.
Eggs
Cibophobia Sitophobia
being not hungry!
Fear of sausages is not a specific medical phobia but it falls under the category of Cibophobia which is fear of food.