Bumpa 

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.

Bumpa by Childrenrthafuture July 21, 2018

bumpa 

another word for a person bottom

thierry henryhas got a fine fine bumpa

bumpa by deb July 1, 2003

bumpa 

the trunk of a female

Hey baby let me pull up to dat bumpa and smack dat monkey

bumpa by awesome April 15, 2003

Bumpa 

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!

Bumpa by Big Hog November 30, 2019

bumpa 

a weirdo

did you see that bumpa walk by

bumpa by ahdjfkka April 24, 2022

Bumpa-Bucks

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.

Bumpa-Bucks by Harijan July 30, 2009

Bumpa Grill 

The Theory of Showing Your Game To A Girl And Eventually Having Sexual Intercourse With Her.

While I Was Talking To Miguel I Asked Him When Was He Going To Bumpa Grill© With Jennifer.

Bumpa Grill by Cesar P. January 9, 2008