What is Shit Picker?
1.
someone who picks shit out of their butt.
"did you see how little billy was scratching his butt crack?" "yeah, he's a little shit picker."
See
2.
either a
aah! that shit picker tried to pick me up
3.
a person's finger or the remaining stump of a finger
Ted watched in horror as the grenade blew of his buddy's shit pickers.
See