suit up

suit up idiom
Put on clothes for a particular activity, as in Come on, fellows, it's time to suit up for the hockey game. [Mid-1900s]

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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