decoration delirium
A state by which a person has decorations of several holidays up at the same time.
Wife: "Did you see Bob put up his Christmas lights?"
Husband: "Yes I noticed that he also still has the Halloween Flag flying, poor guy- he must suffer from "decoration delirium!"
Husband: "Yes I noticed that he also still has the Halloween Flag flying, poor guy- he must suffer from "decoration delirium!"