The felling that over comes a person after taking a shit that makes you feel good.
Tim was feeling like shit all day untill taking a massive shit now he feels shitastic.
by I am Sean February 22, 2009
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i had the most shitastic day when everything was going wrong AND THEN it rained
by Anonymous June 13, 2003
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Something so horrible yet awe inspiring that you both hate it and thought it was the best thing you had ever seen
So I just saw a Movie I had been waiting forever to be released and it was...so Shitastical!
by robbdeman June 22, 2012
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Something or someone so amazing, horrifying, or fantasical that is makes one have the feeling of or actually shitting
Driving on the parkway today was shitastic!
Dude, that trick was shitastical!
A:Oh My God I think I shit my pants!
B:Why?
A:I met Robert Pattinson!
B:He's so shitastic!
by hellsrogueangel February 23, 2010
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something so fantastic that you want to add profanity to get your point across
We just won the game, that's shitastic!
by Peter Rugh September 03, 2003
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something that sucks balls, but you want to give a positive spin on it.
-It's really boring, you watch a video then take a quiz on it.
-Shitastic.
by beth's idea October 20, 2009
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Person 1: That guy just shot a bottle rocket up his ass.

Person 2: Oh my God, that's shitastic
by Toshing it out there November 15, 2011
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