Meaning of the word "get on your soapbox" in English

What does "get on your soapbox" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

get on your soapbox

US /ɡet ɑn jʊər ˈsoʊp.bɑks/
UK /ɡet ɒn jɔː ˈsəʊp.bɒks/
"get on your soapbox" picture

Idiom

to express one's opinions, especially on a controversial subject, at length and with strong conviction, often in a public or prominent way

Example:
He tends to get on his soapbox about politics whenever he's had a few drinks.
Please don't get on your soapbox about environmental issues again; we've heard it all before.