1. a long, tedious speech or conversation; something that is boring or tiring to listen to
Usage: informal; chiefly North American

Examples

• His presentation turned into a real jawboner that put half the audience to sleep.
• I had to sit through another jawboner from my uncle at dinner.
• The meeting was a jawboner—it could have been an email.
• She launched into a jawboner about her vacation plans.
• Nobody wanted to listen to his jawboner about tax policy.