Noun. A combination of the words condiment and mania, it describes a person who is overly zealous or enthusiastic about condiments. More extremely, a raving or violently insane person over condiments, specially over their stock pile or hoard.
Moving in with Bill? Cool, cool. However, word of advice? Do NOT touch his condiments! Get your own. Seriously. Bill's a condimaniac and will chew your head off!