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1. Noun. A cool nickname for a beloved, oftentimes cool, grandfather.

2. Noun. Nickname for Grandfather. Mother's dad or dad's dad.
I'm so excited that I get to see my Bumpa and granny this weekend with my sister and cousins!! It's already such a fun time when our Bumpa is around telling us about his days as a young boy in Puerto Rico.
by Childrenrthafuture July 21, 2018
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