The animation originally posted by you reminds me of Trump ridiculing John Kasich's "disgusting" eating during a rally in Rhode Island in April 2016.
According to a news report headlined
Trump on Kasich: 'Never seen a human being eat in such a disgusting fashion' | TheHill
(Begin excerpts)
"Did you see him? He has a news conference, all the time when he's eating. I have never seen a human being eat in such a disgusting fashion," the GOP presidential front-runner said of his rival to a laughing, cheering crowd....
"I'm always telling my young son Baron, always with my kids, all of them, I say, 'Children, small, little bites," Trump said.
"This guy takes a pancake and he's shoving it in his mouth," he said of Kasich. "It's disgusting."... (End excerpts)
https://www.youtube.com/watch?v=6XaPTpTWnnM
https://www.youtube.com/watch?v=umjfU18mz8Y