Also found in: Thesaurus.
all get-outalso all get out (gĕt′out′)
The utmost degree that is possible or even imaginable: "It's snowing like all get-out up here" (Hans Thorner).
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.