milk run

plural milk runs

1. A routine trip, especially one involving several stops
2. logisticsThe collection of mixed loads from multiple fixed sources on a regular basis.
3. slanggovernmentAn uneventful mission, especially a military sortie completed without incident
4. slanggovernmentA campaign for a political office whose main apparent purpose is to "milk" money from supporters in order to provide a source of income for the candidate, campaign staff, and family members.