Giamungous 

means real frikkin big. started by irish street poet terry wogan.

a Giamungous good mornin to you all

Giamungous by j'cob October 15, 2004

Giamungous 

A combining of Giant and Humungous. Bigger than big. For use when a normal word just doesn't quite cover it.

The Grand Canyon is giamungous.

The porn actress' breast were giamungous which gave me a giamungous erection.

Giamungous by Moji JoMama August 23, 2003

gimungus

adj. Meaning immensly large. Combining the words GIgantic and huMUNGUS together.

Do you see that girl's melons? They are gimungus

gimungus by Yoshiki December 10, 2004

gimongous 

Extremely large; gigantic and humongous; much larger than ginormous

The Grand Canyon is a gimongous hole.

gimongous by Val November 4, 2001

Gimungous 

Absolutely massive, bigger than pretty much anything. A fusing of the words ginormous and humungous.

The Universe is expanding. If this is true, by now it must be gimungous

Gimungous by John Carpenter January 25, 2005

Gigungous 

The conjuction between Gigantic and Humungous.

"That Cougar has Gigungous melons."

Gigungous by Kyle Finesilver/ B. Lyons May 5, 2007

Gicungous 

Huge, gigantic, or extremely large.
Synonym: Humongous

Electing George W. Bush president was a gicungous mistake.

Gicungous by GeeBee3 August 29, 2010