new york u.s. republican presidential nominee donald trump pace frown physically loom time democratic rival hillary clinton sunday night town-hall debate prompt bewilderment mockery social media online reaction underscore contentious tone encounter st. louis trump clinton hurl insult less month nov. u.s. presidential election twitter users seize trump body language remark appear stalk clinton around stage criticism come republican face political storm catch leak 2005 videotape make lewd demean remark women trump body language bizarre write twitter user sheena texdakota pace insult stand right behind her trump body language freak write charlotte charlotteirene8 get uncomfortable men stand behind especially like that spokeswoman trump immediately respond request comment clinton performance inspire online criticism well clinton could do good tweet ryank ryantkelly seem hungry able get skin tonight sentiment trump performance 66.9 percent negative accord analysis social intelligence firm brandwatch twitter post debate clinton 57.8 percent negative debate feature question audience members tweeted-about debate ever 17 million tweet say twitter spokesman nick pacilio trump statement run mate mike pence differ approach military intervention syria most-talked-about moment night microblogging site trump 's body language debate raise social media eyebrows