| yak on | to continue talking in an annoying way (“on” can be repeated for emphasis) | He just yakked on and on and on. |
| yak on about + | to continue talking in an annoying way about something (“on” can be repeated for emphasis) | She just yakked on and on about her husband’s new job. |
| yammer on | to talk in an annoying way or complain (“on” can be repeated for emphasis) | They yammered on and on and on. |
| yammer on about + | to talk in an annoying way about something or complain about (“on” can be repeated for emphasis) | He just yammered on and on about how horrible the waiter was. |
