by j'cob October 15, 2004
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.
The porn actress' breast were giamungous which gave me a giamungous erection.
by Moji JoMama August 23, 2003