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.
ayon kay HunRugger ika-03 ng Hulyo, 2011
A slang term for butt, acceptable to say for all ages
"DAMN GIRL! Darren's boompa is so nice."
ayon kay Mirm2 ika-15 ng Abril, 2005
To pass a great load of gas at one time.
Bob had a date with Sal until he accidentally boompas in class after a large burritto
ayon kay SX45 ika-06 ng Hulyo, 2009