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3.
One who is full of shit, who makes up unturue things
Look at that guy he is so shitful
by melissa bernstagner March 30, 2005
 
1.
terrible, horrible, very bad etc.
Man that band is so shitful
by Jo Jo!!!! September 21, 2005
 
2.
something that just plain SUCKS. terrible and full of shit. describes a situation you would rather avoid, or a person who is full of B.S.
ex.1) person 1: my friend's mom is a psychopath. she beats her every night.

person 2: that's so freaking shitful.
by smiley_chica July 01, 2010