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A wonderful, superb and remarkably nice ASS.
That cuntfident bellybutton pierced, tatbooty'd slunthore has a butt that's totally fantASStic! I'm no clitiot - so I wouldn't ignorgasm her like every other enigman.
by Jeff D October 21, 2005
An abbreviation of fantastic and ass.
"He's fant-asstic!"

"Look at that he's ass is fant-asstic!
by Raven Bishop November 21, 2009