Geriatric form of a typical cracker.
An old white person.
That old lady almost hit me in the parking lot! I don't think she could even see over the steering wheel.
Yeah, she was a gran-cracker for sure.
An old white person; geriatric form of typical cracker
"I wanted to hit that gran-cracker with her own cane when she cut me off in the parking lot. She couldn't even see over the steering wheel anymore."