pinch off
Upper Intermediate (B2)neutral
to take off a small bit with your fingers
"Pinch off a small piece of dough and roll it into a ball."
Hear it in context

I Tried the Best IRAQI FOOD in Iraq’s Holiest City!! (Najaf)
Mark Wiens Abroad · 27:07
I'll pinch off a piece of the kebab.

The Biology of Slowing & Reversing Aging | Dr. David Sinclair
Andrew Huberman · 106:03
they can pinch off the polyps that are looking dangerous,