also: おべや
noun
messy room; dirty room
Colloquial term for a room that is extremely messy or dirty, often used in contexts like hoarding or neglecting cleaning.
彼の部屋はまさに汚部屋だ。
His room is exactly a messy room.
汚部屋を片付けるのは大変だ。
Cleaning up a messy room is tough.
散らかった部屋 is a more neutral description of a messy room, while 汚部屋 is a slang term emphasizing extreme dirtiness or neglect.
Compound of 汚 (お, 'dirty') and 部屋 (へや, 'room'). The reading おへや is a straightforward combination, while おべや may be a variant influenced by rendaku or colloquial pronunciation.