Donald Trump called himself 'Mr. Brexit' and Twitter is confused

So presidential hopeful Donald Trump has weighed in again on Britain's decision to leave the European Union with a cryptic tweet: What did he mean? Is he leaving the presidential race? Or maybe he's implying that he's going to win against all odds, just like the Leave campaign in the EU referendum? 
SEE ALSO: Donald Trump’s first tweet about the Brexit result got shut down immediately
Naturally, Twitter is confused:
In the wake of the referendum, Trump was famously shut down by L