Top Definition
A made up word by the writers for the "The wubbulous world of Dr. Seuss". Its meaning is so secretive, that if one were to use it in a sentence CORRECTLY, only one thing could happen..."Try to imagine all life as you know it stopping instantaneously and every molecule in your body exploding at the speed of light. " Yeah, that secretive.

p.s. fertibula can't be used in a sentence correctly unless referring to "The wubbulous world of Dr. Seuss".
"Yo- did you hear about that word from The wubbulous world of Dr. Seuss?"
"Yeah- from that really retarded show? I think the word was Fertibula..."
"Yeah, but don't use it in a sentence..."
{censored line for your safety}
Sounds of utter assimilation follow.
by Dead from da suess January 21, 2010
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