Top definition
1. A word to say when one is bored, like that of superkalafragelisticexpeealedocious.

2. A word to say when one doesn't know what to say.
John: "How do you think putting a monkey on your head would work?"
Mike: "Gigdabig"
by Robert Hooley November 16, 2007
Get the mug
Get a Gigdabig mug for your brother Callisto.