1 definition by Nick Darling

For a man to do the wrong thing, as opposed to Manning Up and doing the right thing. The phrase "Man Out" and its variations ("Manning Out," "Men Out," etc.) were coined by historian and author Andrew Yarrow, who described this phenomenon in his book "Man Out: Men on the Sidelines of American Life."
That poor guy is really a Man Out and abandoned his wife and kids after losing his job....
by Nick Darling November 25, 2018
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