n./adj./v. - "bwomp" is the phenomenon that makes the body bump. It's a knee-jerk reaction to fun stimuli (esp. music) that causes people to people dance and/or act in a way that makes them feel good, without regard to outside perception.
adj: "Hell yeah- that's some bwomp beats right there!"
n: "Give me that bwomp so I can turn the party out."
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.