v. phr. , slang To learn about something kept secret from you; become alert. One girl pretended to be sick on gym days when she had athletics, until the teacher got wise and made her go anyway. Often used with "to". The boys got wise to Jack's fondness for bubble gum. If you don't get wise to yourself and start studying, you will fail the course.
Compare: CATCH ON, SEE THROUGH.
Antonym: IN THE DARK.