To describe a flesh wound that isn't as deep as a gash but not to be taken as lightly as a scratch. There has to be enough blood flow to be a nuisance, but not so significant as to fetch first-aid.
Arg... I hit my arm on the edge of the table and it gnorked me.
"Listen Judge, I simply gnorked the officer he will be fine."
"No, I don't need a band-aid its just a gnork."