spout off
Upper Intermediate (B2)informal
To talk a lot about your opinions loudly, especially in a way that annoys others
"He's always spouting off about how the government is ruining the country."
Hear it in context

What Is “Collapsing” Superintelligent AI? | Joseph Corabi
Closer To Truth · 0:21
right they'll just spout off um

Hour 4: Callers
ESPN College Football · 2:06
So, thank you for letting me spout off.

Regulating A.I. Within a Broken Political System Under Trump (w/ Sen. Bernie Sanders)
Pod Save America · 43:14
closely to facts and didn't want to like uh spout off

What Is “Collapsing” Superintelligent AI? | Joseph Corabi
Closer To Truth · 12:15
they'll just spout off um completely false things with complete confidence.

Tim Miller: Sen. Cassidy Chose to Lose Like a Coward | Focus Group
The Bulwark · 31:17
Like they want somebody that's going to like spout off when they,