So the results are in, and Jezza has defied his critics to force Theresa May into a hung parliament.
Credit where credit is due. He galvanised the youth vote and managed to win large swathes of the electorate over with his determination, likeability and empathetic policies.
One thing he should not be getting credit for, however, is this.
The Labour leader was celebrating a result in his Islington North constituency with Emily Thornberry last night.
She pulled out a classic finger point which Corbyn - giddy and exhausted after a tireless campaign – mistook for a low-five.
And then this happened.