scribble down
Intermediate (B1)informal
To write something fast, usually in messy handwriting because you're in a hurry
"She scribbled down the phone number on the back of a receipt before she lost signal."
Hear it in context

Blind Tasting Foods You Think Are Real… But Aren’t | Sorted Food
Sorted Food · 13:30
Remember I want you to scribble down

Blind Tasting Foods You Think Are Real… But Aren’t | Sorted Food
Sorted Food · 1:44
identify the imposter, scribble down A or B.

Blind Tasting Foods You Think Are Real… But Aren’t | Sorted Food
Sorted Food · 13:28
ask you to do is scribble down A or B.

A Dark Fantasy Audiobook: Reborn With A Divine System And Hidden Power (Book 1-4) | Complete Series
NoirCast · 2763:03
grab a piece of parchment and to start scribble down

The Kennedy Coincidences
Vsauce · 1:03
You see, the authors of reality scribble down 10ilian scenes a second.