form up
1. To assemble into a particular formation or arrangement. The troops formed up into straight lines. The cheerleaders then formed up into a W for Wilson High School. Mom wants us to form up into a circle so we can pick names out of a hat.
2. To organize a group of people or things in a particular manner. In this usage, a noun or pronoun can be used between "form" and "up." Form those clothes up into neat piles, will you? Roger was so bored during dinner that he formed his peas up into a heart. Can you please sort through these donations and form them up into groups?
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.