fink out

If the law asked him for a match, he'd fink out.

You're trying to make a fink out of me.

Lose your guts and decided to fink out on your buddies?

They meet and trick Mike Fink out of his keelboatboat and set off down the Allegheny River, having turned the boat into a casino showboat.

But the betting here is that if he wins another major prep race or two in the 61 days before the Derby, his owners might talk Fink out of his stubbornness.

The Oscillation Overthruster was created by Riva and visual effects supervisor Michael Fink out of a gyroscope to which a metal frame, wires, circuits, and tiny strobe lights were added.

Fink is also a verb - "to inform on," or otherwise to play the contemptible fink -although the current use of out as a verbifying phrase-maker has led to the expression to fink out.