Something so huge, it needs to blend words. usually describes titas or other genitalia
christ on a cracker, that lump on your sack is gigantinormous, you should get that checked out.
by god of all things bimbly May 12, 2004
1 more definition
Stupidly huge, i.e. Gigantically enormous
My penis is Gigantinormous
by Ninjamark September 07, 2003