Break off talks

Meaning to interupt conversations or disagreeing with them.

Girl: "I want to come in a limo, get that 1,000 dollar dress I've always wanted,and I want to.."

Dad: "Woah, no. 1,000 dollars for a dress?!"

Girl: " Dad, why do you always break off talks?!"

he could talk the dick off a wombat

Australian slang for someone who talks too much. Someone who keeps a conversation alive even after the other person has made cues to leave.

*someone talking to someone for 5 plus minutes, despite the opposite person trying to exit the building*
Person 1: "Strewth, old mate over there, he could talk the dick off a wombat with how long he's been chatting up this fella for".