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1.
A combination of smartass and sarcastic.
Don't be so smarcastic.
by LudwigVan November 13, 2003
 
2.
A cross between the word Smart Ass and Sarcastic
I don't need your smarcastic remarks right now.
by bosco wordsmith February 04, 2010
 
3.
adj. describing a type of person who is concurrently intelligent and sarcastic. Typifies the humor of the Daily Show or The Onion.
Noel Coward, Stephen Colbert, Bill Maher and Mark Twain are all masters of smarcastic humor.
by Mighty Thor November 14, 2009
 
4.
A combination of being a smartass and sarcastic.
Tom: This place is a mess.

Haley: Then why don't you clean it up?
Tom: Jeez, what is it with you and being so smarcastic today
by neonsox4u April 18, 2012
 
5.
An attitude that is given somewhere in between being smart and sarcastic
I can not believe that she was being so smarcastic to that boy about really wanting to go on a date with him.
by Mandarin March 22, 2006
 
6.
smart or smarmy and sacastic or fantastic
Is it possible to use smarcastic in a sentence?

Smacastic Response: Yes it is possible.
by Jack King February 17, 2006