lead with one's chin

lead with one's chin idiom
Take a risk, behave without caution. For example, Gordon always says exactly what he thinks; he never minds leading with his chin. This term alludes to a boxer leaving his chin, a vulnerable point, unprotected. [Mid-1900s]

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.