gaga
- Mentally confused or eccentric, often due to old age. adjectiveThe elderly man was a bit gaga, often forgetting where he left his glasses.She feared that her grandmother was becoming gaga as she started to forget familiar faces.
- Overly enthusiastic or infatuated with something or someone. adjectiveThe fans were absolutely gaga over the new pop star, lining up for hours to get tickets.She went gaga for the latest fashion trends, buying every new style as soon as it hit the stores.