Screw your face up
Definition 1 of 1
Pro Tip 1/3Facial Expression
The phrase often describes a temporary, intense emotion reflected on the face. 
He screwed his face up in frustration trying to solve the math problem.
Pro Tip 2/3Informal Use
It's a casual phrase, more suitable for spoken language or informal writing. 
When I told him the news, he screwed his face up and didn't say a word.
Pro Tip 3/3Negative Situations
Usually used in negative contexts, implying disapproval or discomfort. 
She screws her face up every time she hears his name.