hint for (something)
To indirectly suggest or insinuate one's desire for or interest in something. You can hint for extra credit all you want, but you're not getting it. Are you hinting for some help?
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
hint for something
to give a hint that something is wanted. I could tell she was hinting for an invitation. Are you hinting for a second helping of fried chicken?
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.