sock away

sock away idiom
Put money in a safe place for future use, as in I've got about $2,000 socked away for a new car. This usage presumably alludes to putting one's savings in a sock. [Colloquial; first half of 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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