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1. To crouch or huddle into a small, cramped position. We all scrunched up so that the guards wouldn't be able to see us. Would the people in the front row mind scrunching up in their seats so the people in back can see better, please?
2. To squeeze, crush, or crumple something into a smaller shape, size, or space. A noun or pronoun can be used between "scrunch" and "up"; often followed by "into (something)." I scrunched the note up into a ball and tossed it across the room to Jake. Don't scrunch the newspaper up like that—it makes it hard to read!
scrunch something up
to crush or crunch up. I pounded the biscuits and scrunched them up into crumbs. He scrunched up the note and threw it upon the fire.
1. To crumple or squeeze something: She scrunched up her nose like she was going to sneeze. I scrunched my gloves up and put them in my pocket.
2. To assume a crouched or cramped posture: The dog scrunched up in the corner to keep warm.