This means that when you start a conversation with someone, they don’t know when to shut up, and keep going on and on.
You switch on a radio, and it keeps broadcasting until you turn it off.
You switch on a radio, and it keeps broadcasting until you turn it off.
Guy 1: Man, that brother of yours just doesn’t know when to shut up!
Guy 2: Yeah, I know. He’s like a talk back radio.
Guy 2: Yeah, I know. He’s like a talk back radio.
by scooby007 January 16, 2011