(also nó rollercoaster)nounAinmfhocal1fairground riderollchóstóirmasc3cmu2situationour relationship has been a bit of a roller coasteri dtaca le caidreamh de, bímid thuas seal thíos sealshe felt a whole roller coaster of emotionsní mar a chéile a mhothaigh sí aon dá nóiméad