To push or force one's way through a certain thing or area. As soon as the store opened its doors, the people waiting in line began to crowd through.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
crowd through (something)
[for a number of people] to push through something. The little group of revelers crowded through the door. They all tried to crowd through.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.