The president's brief time in China "could have been an email," Colin Jost jokes

Mr. On Blast brought his lukewarm takes and incredible keyboard-backed dancing to the final "Update" of Season 51, and Colin Jost nearly lost something dear during Joke Swap.

Colin Jost presented the president with an alternate way he can "get hold of" the British.

The former Fox News host is back on Weekend Update asking plenty of questions