rolling stone

From the proverb a rolling stone gathers no moss.

rolling stone (plural rolling stones)

1. (idiomatic) A person who moves around a lot and never settles down; a vagrant.
   • 1965, Bob Dylan - Like a Rolling Stone

     How does it feel

     To be on your own

     With no direction home

     Like a complete unknown

     Like a rolling stone?

   • 1892, Robert Louis Stevenson, The Beach of Falesá

     Before that they had been a good deal on the move, trekking about after the white man, who was one of those rolling stones that keep going round after a soft job.

2. (slang) A womanizer.
3. (geology) A geological phenomenon where rocks move and inscribe long tracks along a smooth valley floor without animal or human intervention.
4. (astronomy) A meteoroid.

• a rolling stone gathers no moss
• The Rolling Stones