scrunch up
Intermediate (B1)informal
To crush or squeeze something tightly together, like squeezing a piece of paper into a ball, or squinting your eyes really tight
"He read the rejection letter once, then scrunched it up and threw it in the bin."
Hear it in context

400 car batteries wired together!!
styropyro · 93:57
other and cause the coil to scrunch up.

Dungeon Masters | Ravenloft Campaign, Episode 3 | Official D&D Actual Play Series
Dungeons & Dragons · 22:26
And you see her little face scrunch up.

Learn English while I clean my house | Comprehensible Input
English by Jay - Sprout · 8:10
This I'm going to scrunch up into a ball

Get my British Accent (MODERN RP)
English with Lucy · 2:22
[laughter] Then scrunch up your face as tightly as you can like this.

A Dark Fantasy Audiobook: Reborn With A Divine System And Hidden Power (Book 1-4) | Complete Series
NoirCast · 2750:51
I felt my face scrunch up at that, annoyed that I didn't have