shoot off (one's) bazoo
1mouth — n 1. orifice, oral opening or cavity, muzzle, Sl. kisser, Sl. yap, Sl. trap, Sl. bazoo, chops, jaw or jaws; jawbone, maxilla, mandible. 2. utterance, expression, ventilation, airing, voice, vocalization. 3. idle or empty talk, boasting, bragging …
