President Donald Trump has torn into Bill Maher in a 1,300-word social media rant after his former press secretary appeared on the comedian’s show.

​The acerbic post saw the president labeling Maher a “COMPLETE AND TOTAL LOSER” and claiming he used a “laughter machine” on his show, despite it having a live audience.

​Trump’s lengthy post — his longest Truth post ever, CNN reported — followed Friday’s episode of Real Time with Bill Maher , which featured an appearance by Karoline Leavitt, the first episode of the late-night TV show since the comedian dined with Trump, Kid Rock and ESPN host Stephen A.…