Expression said when things that are not good. Background of term derives from when your frustrated at a time such as when your shit snaps off before you are done getting it all out.
Oh, Shitsnap!
He is shitsnap mad!
Oh that is shitsnapped!
She was acting all normal then she shitsnapped!
He is shitsnap mad!
Oh that is shitsnapped!
She was acting all normal then she shitsnapped!
by Treys Own May 30, 2013