Jibble is any gelatenous or viscous substance that is deceptively contained or presented in such a way so as to give the appearance of rigidity. 'Jibblies!' may be exclaimed when one is surprised by the existence of jibble.
I tried to grasp the apparently fresh cantaloupe, but alas, it was rotten, and my fingers made a sucking noise as I extracted them from the rancid jibble.
The moist ground looked solid enough, but Artax was overcome by sadness and slowly sank into the jibble.
The man's apparently ripped pectoral muscles were, in fact, full of jibble. Only the women unfortunate enough to attempt to touch them knew that they were actually Moobs.