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2.
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.
by Ushie December 05, 2008
 
1.
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."
by Ushie November 26, 2008