1. A form of jealousy. Commonly found in persons who reside in residencies lacking house spirit. Derived from the word 'Cecil'.
2. An emotion that typically refers to the negative thoughts and feelings of insecurity, fear, and anxiety over a feeling of inadequacy of one's place of residence when in comparison to Nelson.
Antonym: Nelsonismism
The Stanmore house had a bad case of cealousy.