A person who is scared of a fake thing that he or her (one or the other) has created in their minds.
Pronounced: ess-see-pee-how-bee-ah
Person: thinks about a monster made of coffee mugs
Brain: OH MY GOSH ITS COMING TO KILL ME!!!

The idea in this explanation is that she is SCPhobic and is scared of the thing that she just created.

in a sentence it would be used like
Person: “why is she so scared of that coffee cup?”
other person: “she’s SCPhobic.”
SCPhobia
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