A colloquial term for digging around in other people's lives to figure out problems such as stalkers, creepy people, pervs and others, even if the other person doesn't ask you to.
"Wassup brudda, how the holiday's been?
Nothin much, just been sherlockin' around for Britney"
Changing a religious hymn/carol's lyrics and beat to make it groovier, as seen in the movie "The Sister Act"
"Pentatonix really pulled a Sister Act on us"