Adjective used to describe a person with a huge chin and jaw that dominates their face. On men, it can work, but it's a real problem for girls and women.
Tori Spelling and Rumer Willis are so chintastic that the only reason people tell them they're pretty is because they have famous fathers. Other chintastic celebrities: Jay Leno and Bruce Willis.
by alldat October 20, 2007
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An adjective used to describe something incredibly good concerning chins and/or clefts.
Person A: Wow nice chin!
Person B: Thanks! I personally would call it chintastic!
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1. Having an overtly gargantuan chin

2. A gentic disease, causing the chin to grow twice the size of a normal one.

3. Garrett's big mistake
Dad: What's wrong with my baby?
Doctor: It has a case of Chintastic!

Look at him, he is chintastic!
by prokevinmusic February 20, 2008
Get the Chintastic mug.
1. Having an overtly gargantuan chin

2. A gentic disease, causing the chin to grow twice the size of a normal one.

3. Garrett's big mistake
Dad: What's wrong with my baby?
Doctor: It has a case of Chintastic!

Look at him, he is chintastic!
by prokevinmusic February 20, 2008
Get the Chintastic mug.