(noun) A wanna-be musical artist, singer or rapper, who has no talent. This person cannot rap/sing and/or spews out poorly written lyrics.
Also, a nonsensical person representative of this in every day conversation, or one who tries to talk shit.
Can also be used as a verb - to shitspit, shitspittin', spittin' shit, etc...
"I can't stand that Juvenile fuckin' shitspitter rapper wannabe!"
"What the hell is 311 tryin' to say? Fuckin' shitspitters..."
"You been runnin' your mouth shitspittin' all night."