jacked jaw
In the military, jacked jaw is when soldiers stand around gossiping like they’re in a beauty pageant. It’s just a fancy way of saying they’re all lazy and talk too much.
The soldiers had a jacked jaw during lunch and talked about their exes for an hour.
My brother got jacked jaw in the army because he kept talking about his dog.
The whole squad had a jacked jaw and I couldn’t hear my own thoughts.