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1.
A measure of bacony goodness, right between "splendiferous" and "fantabulastic". Usually used to describe stuff or things.
That Webby sure is exceltastic.
by caru January 30, 2005
 
2.
An adjective used to describe something extremely good, combining the words "excellent" and "fantastic".
Created in an attempt to find a word to describe a person.
Webby is an exceltastic person
by Andrew "Webby" Webster January 30, 2005