Alec Baldwin was back on "Saturday Night Live" this week to mock Donald Trump's love of tweeting, and the real president-elect hopped on his favorite social media platform during the show to let Baldwin know he wasn't laughing.

The show's cold open featured Baldwin's Trump at a security briefing in which he repeatedly loses focus and turns to his phone instead.

"I just retweeted the best tweet. I mean, wow, what a great, smart tweet," Baldwin as Trump says after sharing a post by a 16-year-old California high schooler named Seth.

"He really did do this," Kate McKinnon's Kellyanne Conway says to camera. And, yes, in fact Trump really did.

"Mr. Trump, please stop retweeting all these random, real people. You're not getting any work done," an adviser pleads in the sketch.

“There is a reason actually that Donald tweets so much," McKinnon's Conway explains. "He does it to distract the media from his business conflicts and all the very scary people in his cabinet."

"Actually, that's not why I do it," Trump rebukes. "I do it because my brain is bad."

About an hour after Baldwin's Trump took to Twitter on "SNL," Trump himself fired off a tweet calling the show "unwatchable"and "totally biased." He also said Baldwin's portrayal of him "just can't get any worse."

Just tried watching Saturday Night Live - unwatchable! Totally biased, not funny and the Baldwin impersonation just can't get any worse. Sad — Donald J. Trump (@realDonaldTrump) December 4, 2016

Baldwin responded by retweeting Trump's criticism from both of his verified Twitter accounts — one personal and one in the name of his foundation. The actor also provided Trump with a solution: "Release your tax returns and I'll stop. Ha."