gaga

Definition

Mentally senile.

Etymology

From French gaga.

Example Sentences

• "The elderly patients in the hospital were going gaga."
• "You might go gaga if you stare at this screen too long."
• "Should he lose it once and for all, he and Kathleen would need lots of money. Also, he had said to me, you could be gaga in a tenured chair at Princeton, and would anybody notice?"