n. , slang , informal 1. A complex problem, or complicated situation. Let's not get into big city politics that's a different can of worms. 2. A very restless, jittery person. Joe can't sit still for a minute he is a can of worms.
CAN OF WORMS
Meaning of CAN OF WORMS in English
American idioms English vocabulary. Английский словарь американских идиом. 2012