From Longman Dictionary of Contemporary Englishcome/go along for the ridecome/go along for the ridespokenTAKE PART/BE INVOLVED to join what other people are doing just for pleasure, not because you are seriously interested in it A couple of friends had come along for the ride. → ride
Examples from the Corpus
come/go along for the ride• The dancers were flown to Washington, with Talley Beatty going along for the ride.• I had nothing better to do, so I thought I'd go along for the ride.• I was wondering if you fancied coming along for the ride.• I went along for the ride.• Or she probably chose me for him and he just went along for the ride.• But do members just go along for the ride?• Other major players in the Las Vegas casino market came along for the ride.• Lord knows where they're heading, but you really should go along for the ride.• His pride would never let Olajuwon simply go along for the ride. 