Social media quickly responded on Sunday during the second presidential debate of 2016 at the image of Republican nominee Donald TrumpDonald John TrumpButtigieg on Mueller report: 'Politically, I'm not sure it will change much' Sarah Sanders addresses false statements detailed in Mueller report: 'A slip of the tongue' Trump to visit Japan in May to meet with Abe, new emperor MORE looming behind Democratic nominee Hillary ClintonHillary Diane Rodham ClintonClinton campaign chief: Mueller report 'lays out a devastating case' against Trump Hillicon Valley: Cyber, tech takeaways from Mueller report | Millions of Instagram passwords exposed internally by Facebook | DHS unrolling facial recognition tech in airports | Uber unveils new safety measures after student's killing Heavily redacted Mueller report leaves major questions unanswered MORE as she answered a question on healthcare.

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Some referred to his body language as "uncomfortable" just moments after the two sparred over the topic of the Friday release of video from 2005 depicting Trump making disparaging comments about trying to seduce a married woman and talking about groping women. 

Body language is considered a crucial factor at presidential debates, particularly town halls such as the one in St. Louis, where the candidates must move around each other and among the crowd.

The image evokes memory of Al GoreAlbert (Al) Arnold GoreLobbying world 2020 Dems audition for Al Sharpton's support Long-shot goal of nixing Electoral College picks up steam MORE trying to physically intimidate George W. Bush during a 2000 presidential debate, which backfired as Bush casually nodded at his opponent, causing the audience to erupt in laughter.

Teddy Goff, a digital strategist for Clinton campaign, tweeted that the image will “linger for a long, long time.”