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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Hey baby let me pull up to dat bumpa and smack dat monkey
by awesome April 16, 2003
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The Australian way of pronouncing bumper. Typically referring to the rear bumpa.
Oi mate so how many fuckin’ quid are you paying me for the rear bumpa? For the rear bumpa mate, FOR THE REAR BUMPA!!!

This ones for the rear bumpa!
by Big Hog December 1, 2019
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jamaicans say it to women with big asses.
ya mon! dat chick gotta wicked bumpa! And shes sellin weed mon!
by Co-de May 30, 2005
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Jamaican/west Indian slang.

Describing someone's ass as big
Huadi meaning large or fat
Bumpa referring to one's posterior
Alex has a huadi bumpa. Hes double cheecked up on a Thursday afternoon
by Modi66 November 20, 2019
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Large sums of money paid or reimbursed by a grandfather to his children or grandchildren for extravagent or unnessary purchases such as vacations, vehicles, clothes, and entertainment.

"Bumpa" being a common term used to refer to a grandfather and "bucks" being a common slang term for money.
They rented bikes for 5 days and used them only one day, but they don't care, they paid for the bike rentals with bumpa-bucks.
by Harijan July 30, 2009
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