do a job on someone—(sl.)
1. treat smb. roughly; injure or harm a person:
- There’s no need to do a job on me, man, I’ll tell you everything I know.
2. (also: do a snow job on someone) take advantage of a person, especially by persuasion or deception:
- My local friendly plumber did a job on me cleaning out my drain.
do the job for someone—(also: do the business for someone) accomplish one’s purpose; achieve the desired result:
- When he couldn’t get whiskey he would drink lemon or vanilla extract. It was mostly alcohol, so it did the job for him.