Top Definition
A member of the Arachnid family that dwells under rocks and dreams of one day making big in the tornado chasing industry. Loves disaster movies including spiders eating smaller insects. Mentioned in the horrific novel "A Nightmare Featuring Caitlin of Guidotti" by award winning author Carole Hutchinson, in which a young Guidotti named Caitlin fulfills her dreams only to be eaten by a shark.
Oh look! There is a terrfying Guidotti! Squash it with your foot! Or, better, use the vacuum cleaner!
by Jane C June 08, 2010
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