Run on and Yakkety yak

Run on verb - To engage in casual or rambling conversation.

Yakkety yak and run on are semantically related in talk trivially topic. In some cases you can use "Yakkety yak" instead a verb "Run on".

Run on and yakkety yak are semantically related in gossip topic. Sometimes you can use "Run on" instead a verb phrase "Yakkety yak", if it concerns topics such as talk trivially.