lead with your chin
lead with (one's) chin
1. Literally, to approach an opponent with one's chin thrust out, thus making it easier to be hit. The cocky fighter led with his chin, daring the underdog to take a swing.
2. By extension, to do or say something aggressively and without caution. The venture capitalist, famous for leading with his chin when it comes to securing investments, is being investigated for fraud and money laundering.
lead with your chinmainly BRITISH
If someone leads with their chin, they behave very aggressively, causing a fight or argument. We don't plan to attack the administration for not spending more on education. There's nothing to be gained from leading with our chins. Note: This expression comes from boxing, and refers to a boxer fighting with their chin sticking out, making it easy for their opponent to hit it.
lead with your chinbehave or speak incautiously. informal
This expression originated as mid 20th-century boxing slang, referring to a boxer's stance that leaves his chin unprotected.