gramparazzi 

A grandparent who takes endless photographs of his grandchildren or boring holidays.

My grandfather is a gramparazzi...he comes over and shows us a thousand photos of his trip to Yosemite. Then he takes a hundred photos of me and my sister.

gramparazzi by black@heart December 27, 2011

Grammarazzi 

A grandma that is always taking pictures. At all the events she's in your face with her camera, and will post the pictures no matter how fat you look.

Hide! Here comes Grammarazzi!

Grammarazzi by Nikangelle July 28, 2017