Describing a location as looking like someone currently lives there or has lived there, not pristine, not new. Generally a derogatory term meaning it is sloppily kept.
Wiktionary
Lived-in Sentence Examples
How long had Morino lived in America?
If his family had lived in the United States for centuries, why didn't they learn to speak proper English?
Not even a path had existed here when she lived in the area five years ago.
You said you lived in Fayetteville...
Lisa hesitated, afraid of blundering further, but why did he need a sitter when his mother lived in the house?
