soapboxed
/ˈsoʊpˌbɑkst/
verb
- Past tense of soapbox: expressed one's opinions in a forceful, emotional, or self-important way.
- They soapboxed about their favorite sports team, ignoring the other fans.
- He soapboxed about the need for better roads until everyone left the room.
- She soapboxed for an hour at the town hall meeting.