space out

space out idiom
Stupefy or disorient, as if or from a drug. For example, This medication spaces me out so I can't think clearly, or I wonder what those kids are on—they look totally spaced out. [1960s] Also see zone out.

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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