diddle out of
diddle someone out of something
to cheat someone into giving up something. The boys diddled the old man out of a few bucks. He was diddled out of his last dime.
diddle something out of someone
Sl. to get something from someone by deception. We diddled about forty bucks out of the old lady who runs the candy shop. They diddled Larry's last dime out of him.