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1. Boompa
A name for a child's Grandfather. Derived from Jimmy Stewart's character in "Mr Hobbs Take a Vacation". It is a pet name for grandfather used in some parts of the US.
The boys are going to see Boompa this week.
2. boompa
A slang term for butt, acceptable to say for all ages
"DAMN GIRL! Darren's boompa is so nice."
by Mirm2 Apr 15, 2005 add a video
3. Boompa
a persons butt hole
da ada nite dis girl let me put my boto in her boompa and she was screamin
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