A term commonly used to describe elder women who have turned senile, and are often found in the produce section of local grocery stores conversing, lecturing, or scolding various fruits and vegetables. Can also be used to describe people who talk to the air, at the back of peoples heads, or a woman who REALLY likes grapefruit.
"Hey, was that old lady yelling at me or the celery?"
"It was actually the plantaines, She's a Grapefruit lady."
"It was actually the plantaines, She's a Grapefruit lady."
by jimmythewhoo November 2, 2009