1
general::
Phrase(s): A rolling stone gathers no moss.
Prov. A person who does not settle down is not attached to anything or anyone. (Can be said in admiration or in censure, depending on whether or not the speaker feels it is good to be attached to something or someone.) • I worry about Tom. He’s never lived in the same place for two years in a row, and he keeps changing jobs. A rolling stone gathers no moss.
McGrawhill's American Idioms And Phrasal Verbs