Commerce. the break-even point.
Chiefly British. a method or maneuver used to escape a difficult or embarrassing situation; cop-out: The scoundrel has used that get-out once too often.
as all get-out, Informal. in the extreme; to the utmost degree: Once his mind is made up, he can be stubborn as all get-out.
Origin of get-out
First recorded in 1880–85; noun use of verb phrase get out
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
to indicate a high degree of something, attested from 1838.
Online Etymology Dictionary, © 2010 Douglas Harper