sorry, I gotta go take a fantastic means that you are troubled or bored or whatever and that consequently you want to leave. perhaps to think perhaps just to be alone without present company. an announcement of leave-taking without explanations.
see example above - as intro to the definition. i don't want to get technical or quibble about how you fill this thing out. i gotta take a fantastic.
by yogurt steele November 06, 2013
by yjhger;g;kw February 18, 2013
Bro, your dude over there is gonna go try and yeet the skeet fantastic with that MILF later tonight.
by Snuffmuppet December 15, 2019