Mill around
Definition 1 of 1
Pro Tip 1/3Implies Uncertainty
Suggests a lack of definite plans or confusion about what to do next. 
After the concert, we just milled around downtown, not sure where to eat.
Pro Tip 2/3Often Social
Commonly happens in social settings where people gather casually without specific intent. 
At the party, guests milled around the garden, chatting and enjoying drinks.
Pro Tip 3/3Not Goal-Oriented
Indicates movement without a clear goal, destination, or purpose. 
Students milled around the quad, waiting for the next lecture to begin.