What over enthusiastic people put down at the end of a word, when it's referring to something really good. Tastic is actually fantastic but with the fan cut out. Instead of great sex it's Sextastic.

suitable way to articulate greatness in an unarticulate but straight to the point way

A suffix affixed to words for the purpose of enhancing or extrapolating its meaning. A superlative in the extreme. Used most often on nouns or adjectives, -tastic is a versatile component of any word into which it is introduced.

A viable suffix to any possible word, indicating the sheer abundance of the root. Also used to make adjectives at least 20 times more awesome.

To add this to a word is to put emphasis on how like the root word it realy is.

put it after any word to mean very much of that word.

Be carful though over use will make you a cretin