That is all

Pithy dismissal of all attempts to continue engagement in conversation, online posting, flaming, trolling, etc.
Rational poster: <List of points as to why flamer is a tool>. That is all.

Flamer: <Weak attempt at continuing to argue, change the topic, bait and switch, etc.>

Flamer: Wait, I'm not done with you yet!

Flamer: Your silence just shows you know I'm right!

etc, etc, ad infinitum/nauseam

Also, it was the closing line in M*A*S*H years before it was uttered by Darth Vader: P.A. Announcer: (clears his throat) Attention. Tonight's movie has been "M*A*S*H." Follow the zany antics of our combat surgeons as they cut and stitch their way along the front lines, operating as bombs and bullets burst around them; snatching laughs and love between amputaions and penicillin.
Colonel Blake: (Watches as a jeep rolls away) Did Hawkeye steal that jeep?
Radar: No, sir. That's the one he came in.
Colonel Blake: Oh, very good. Come along, my dear.
(He and Lt. Leslie leave)
P.A. Announcer: Follow Hawkeye, Trapper, Duke, Dago Red, Painless, Radar, Hot Lips, Dish and Staff Seargeant Vollmer as they put our boys back together again.
SSgt. Gorman: Goddamn army.
P.A. Announcer: That is all.
(a gong sounds and the screen suddenly goes black. End of movie)
by DanDaWriter April 11, 2012
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all in all

All in all, Donald Trump needs to fix the economy and get out.
by CrimsonSun_FTW April 14, 2018
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All of it! All of it!

When a group of friends are taking tequila shots, someone named Abdul yells, "All of it! All of it!" Funny thing is he's the only one not taking shots on his birthday.
Thomas: "Alright guys, cheers!"

*Everyone takes a shot of tequila except Abdul*

Abdul: "All of it! All of it!"
by tac1991 July 19, 2011
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that's all there is to it

That's it.
You can't say anything else/more about it.
That's all you know.
-Monica is moving to London.
-Why?
-I don't know. That's all there is to it.
by handgrenade July 07, 2014
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all in

To be totally committed to something.

Possibly originating with gambling games such as Texas Hold 'em style poker, where the maximum 'raise' is to bet your full stack of chips.
If we're gonna do it, let's do it. I'm all in.
by Honor June 24, 2004
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all in

When you place all your eggs in one basket.
Jim: Yo John, how much money are you going to put in that stock
John: Hey buddy, I'm going all in by selling my wife, house, car and kids
Jim: Cool
by John Kennington February 08, 2021
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Not all there

If someone isn't all there, they are a little bit stupid or crazy.
by Teacher Pascoal August 18, 2009
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