lead with one's chin

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]

Common Names:

Name	Pronounced	Usage
YrjÄNÄ	UYR-ya-na	Finnish
Pankrati	-	Russian
Steenie	-	Scottish
Alice	AL-is (English), a-LEES (French), ah-LEE-che (Italian)	English, French, Portuguese, Italian
Linza	-	Ancient Germanic
Ilka	-	Hungarian