weakness for fine clothes; clotheshorse
Describes a person who loves clothes and spends excessively on them; often used in a self-deprecating or mildly critical way.
She has a weakness for fine clothes and buys new ones every month.
His love of clothes has gotten out of hand, and his closet is overflowing.
Compound of 着 (ki, 'clothing') and 道楽 (dōraku, 'hobby, indulgence'). The exact historical derivation is uncertain, but the word follows a productive pattern of combining a noun with 道楽 to indicate a passionate interest.