start up on
Upper Intermediate (B2)informal
To start telling someone off or complaining at them about something
"Please don't start up on me about my spending habits again."
Hear it in context

A Dark Fantasy Audiobook: Reborn With A Divine System And Hidden Power (Book 1-4) | Complete Series
NoirCast · 476:54
Start up on your healing spell while I grab them.

Spartan Chatter: Empty Throne
HALO · 10:04
Actually, we are just about to start up on the novel.

Apple Homeview Impressions: Not Convinced!
Marques Brownlee · 8:31
and then it'll start up on that display with that camera.

Mark Cuban’s Blueprint for Startup Success | Aspire with Emma Grede
Emma Grede · 56:28
but that's not the reason to necessarily go and start up on their own.