break a lance(redirected from break their lance)
break a lance
To engage in a competition, battle, or confrontation, usually with someone or something. The newly elected congresswoman broke a lance with the House of Representatives today on the issue of discrimination in business. The faction sought to break a lance with the government as a means of securing greater autonomy.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.