Used in several different ways. 1. "Job" can be used to describe whether something was sorted out between individuals satifactorily ("job"), 2. whether a job was done well by someone("da job") 3. or whether something looked convincing or not ("da job").
descriptive of someone who is not regarded as having a high intellect e.g." I'm afraid your honour, my client didn't understand the question as he is as thick as champ"