Trump's got his arms folded in a classic tell...

[TreasonousBastard]

This could mean a number of things, but in Trump's case it seems to mean he's doubling down and is convinced he is correct.

[C_U_L8R]

1. We've seen that pose

Arms really tightly crossed... it's often when he doesn't know what he's talking about and is just spewing lies to fill the air. In any case, it's obvious that he's threatened and paranoid.

[badhair77]

2. He's delivered a tirade every day this week, I believe.

I’d say he’s scared and feeling trapped. Something big must be coming.

[Cracklin Charlie]

3. Straitjacket posture.

Seems defensive and guarded.

[Orsino]

4. It means that Baby is bored, frustrated and wants out.

It means that whatever is going on isn't easy, and is too complicated for him to begin to understand, and that he knows it.

[BannonsLiver]

5. Every word out of his mouth was a lie

Net immigration was trending down under obama.

He inherited obama’s Economy and is still reaping the benefits.

Most of the people being held didn’t come here illegally, they care asking for asylum and were arrested, and had their children taken from them.

[redstatebluegirl]

6. Right before he jumps out of his high chair.

[cilla4progress]

7. He knows qs are going to get tougher

As journos find their balls.

Why can’t they start with hard questions? Call him on his LIES!!!

[uponit7771]

8. K&R, he was even more defensive with his lies and rambling today. He thinks he's the victim and

... that's normal for a sociopath being smacked on the nose