touch up

touch up  {v.}

1. To paint over (small imperfections.)

I want to touch up that scratch on the fender.

The woodwork is done, but there are a few places he has to touch up.

2. To improve with small additions or changes.

He touched up the photographic negative to make a sharper print.

It's a good speech, but it needs a little touching up.

3.  {slang}

To talk into lending; wheedle from.