jack = 'quit; give up'

[Wilson Gray]

On Tue, Oct 11, 2011 at 12:14 PM, Jonathan Lighter
<wuxxmupp2000 at gmail.com> wrote:
> Maybe from "throw up" one's job?

What's the connection between _jack_ and _throw up_?

--
-Wilson
-----
All say, "How hard it is that we have to die!"---a strange complaint
to come from the mouths of people who have had to live.
-Mark Twain

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