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1.
gig·a·bucks (gig-uh-bucks, jig-)
n. Abbr. GB
One billion dollars.
Alt. An insane amount of money

Origin: Jan. 2007; giga- + bucks

Credit to http://digg.com/users/oskite/profile
"Starbucks earned 77 Gigabucks in 2006."

Original 1st usage. "Besides: it's 1.21 gigabucks. Duh."
by warpirate January 14, 2007
 
2.
gig·a·bucks (gig-uh-bucks, jig-)
n. Abbr. GB
One billion dollars.
Alt. An insane amount of money

Origin: Jan. 2007; giga- + bucks

Credit to http://digg.com/users/oskite/profile
"Starbucks earned 77 Gigabucks in 2006."

Original 1st usage. "Besides: it's 1.21 gigabucks. Duh."
by WarPirate January 14, 2007
 
3.
A technologically advanced Buck.
Watch out!!! That gigabuck is trying to hack the network.
by Bobbert Bit August 20, 2007
 
4.
Abbr. GB. One billion dollars. An insane amount of money
Starbucks earned 77 Gigabucks last year.
by WarPirate January 22, 2007