[Steve_Seattle]

"I'll be back"—an apparent reference to the false claim Trump will somehow be reinstated into the White House . . . "

It doesn't necessarily mean that at all. It could just mean that he'll run again.

[woodbutcher1963]

“I’ll be back” is just a parody of the line from the movie “The Terminator”.

There is scene in the movie where Arnold is wearing the cheap sunglasses just like Trump is wearing on the kids T-shirt.

is The Trumpinator