Noun
Derangement Syndrome (plural Derangement Syndromes) (idiomatic, derogatory, nonstandard)
The acute onset of paranoia in otherwise normal and balanced people triggered by the mention of a specific topic.
derangement syndrome (plural derangement syndromes)
(pathology) One of three mechanical syndromes in the McKenzie method proposed in 1981 by the New Zealand physical therapist Robin McKenzie.
It's important to remember that Bush Derangement Syndrome on the left - comparing him to Hitler, calling him a terrorist and a tyrant - preceded Obama Derangement Syndrome on the right. John Avlon