A number so immense that it cannot be comprehended with the human mind. So large that the word large doesn't begin to describe it. (Neither does huge, or gigantic. fyi)
No I won't lend you any more money from crack, you already owe me like a gabillion dollars.
by Mr. Chang April 07, 2005
A number so big, that it's small.
...and then we kicked it up a notch, and now I'm 420 gabillion high out of 14.
by HummaBoo February 07, 2011