From Longman Dictionary of Contemporary Englishhit-and-runˌhit-and-ˈrun adjective [only before noun] SCCTTCa hit-and-run accident is one in which a car driver hits someone and does not stop to helphit-and-run driver
Examples from the Corpus
hit-and-run• Each has a Breda Bofors gun and an Aloutte 3 helicopter; both possess the range for hit-and-run raids to the Falklands.• Last night police appealed for help to catch the hit-and-run riders.• It has generally been much more effective in forming the musical sensibilities of clergy than hit-and-run visits to theological colleges. 