verb
orate
oh-RAYT/ɔˈreɪt/
To speak formally and at length, often pompously.
The speaker orates before the large audience, continuing the formal address.

Etymology
In this sense, orate was formed from oration to mean delivering a formal speech. It emerged with humorous or contemptuous overtones, suggesting lofty speechmaking.
In context
I wanted to get onstage and orate…
we could have the verb to orate which is fairly unusual meaning to make a speech especially a boring one
More examples
- He loves to orate about civic duty at neighborhood meetings.
- The principal orated at length about the school's proud traditions.
- While the chairman was orating, several guests slipped out.
Forms
Similar words
- declaim
- Emphasizes forceful, theatrical delivery rather than a speech's length.
- speechify
- More openly mocks someone's long or overly grand speech.