1. A person who is adept at busting lies and cracking bullshit. They work on the same principle as
nutcrackers, but instead of cracking nuts or
genitalia, they are used by others as tools to bite open hardened lumps of feces that may spout out from a person's mouth or anus.
2. A
retarded person
1. Guy: What were you saying about Brown's cows lighting shit on your doorstep?
Girl: It gives me quite the shits
Guy: Your lies fool no one, not even me
Girl: Good for you shitcracker
2. Guy: See that guy
over there?
Guy 2: Yeah, what a shitcracker
Guy: And see his
girlfriend?
Guy 2: Yeah, shitcracker and cheese.
Guy: Let's hope he's not
lactose intolerant.