1. A person that shines shoes.
2. A person in the workplace which submits to every request made by a superior in an effort to be the favourite.
3. A teacher's pet.
4. Tommy (Joe Pecsi) in 'Goodfellas'.
Lorenzo: Yea, yea, yeah! Let me get that for ya, Mike!
<Lorenzo opens the door for Mike>
Guy1: You see that? What a shoe shiner!
A typically powerful punch to the face, delivered by someone with little to no authority towards someone with high authority, with clear justification.
The school librarian confiscated my phone! When I asked for it back she said no so I gave her a heavy Lesley Cobb Shiner to put her in her place before stealing my phone back from under the desk.