I came across the following dialogue in an American TV show, but I do not understand the parts in bold.

(*A* is a 40-year-old divorced woman who is trying to hide her real age and pretends to be 26; she couldn’t afford her house in New Jersey and the bank has foreclosed on it. *B* is a friend of *A*. *Josh* likes *A* and thinks she is 26)

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> [*A* and *B* are in a car. *A* is driving. *A* receives a text on her phone]
> 
> 
> A: Will you check that for me?  
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>  B: Ooh, hotty hotpants alert. It’s from Josh.
> 
> 
> [The text from Josh says: “don't make me wait till tomorrow, come over tonight”]
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> 
> A: Oh, nice. What should I text back?  
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>  B: How about, “**The escrow** on my suburban New Jersey home **is closed**, and I’m on my way to tag everything for the movers”?  
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>  A: Why not **throw in the fact that** I’m 40 and a baby’s head came out of
>  my Frida? [laughs]
> 
> 
> 

I’m guessing *throw in the fact that* means ‘telling the fact directly’, but I’m not sure it’s really *throw in* + *the fact*. Am I misunderstanding this?

When I looked up *escrow* in the dictionary, I got the following definition:

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> *Money, property, a deed, or a bond put into the custody of a third party for delivery to a grantee only after the fulfillment of the conditions specified*.
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> 
> 

I’m guessing it must have another meaning here than what I found, because how can money be *closed*? What does it mean that the escrow is closed?