Social media quickly responded on Sunday during the second presidential debate of 2016 at the image of Republican nominee Donald TrumpDonald TrumpTrump lawyers to Supreme Court: Jan. 6 committee 'will not be harmed by delay' Two House Democrats announce they won't seek reelection DiCaprio on climate change: 'Vote for people that are sane' MORE looming behind Democratic nominee Hillary ClintonHillary Diane Rodham ClintonThe Hill's Morning Report - Presented by Facebook - Democrats see victory in a voting rights defeat Left laughs off floated changes to 2024 ticket A year into his presidency, Biden is polling at an all-time low 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 GoreThe Hill's Morning Report - Presented by Altria - Biden unleashes on Trump and GOP A presidential candidate pledge can right the wrongs of an infamous day VP dilemma: The establishment or the base? 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.”