Updated

Jeb Bush flung his bluntest insult yet at Republican front-runner Donald Trump after months of trading insults with the big-talking billionaire.

"Just one other thing — I gotta get this off my chest — Donald Trump is a jerk," the mostly mild-mannered former Florida governor said at a campaign stop in Contoocock, N.H., on Saturday.

"You cannot insult your way to the presidency," Bush added in a line he has used before against Trump. "You can't disparage women, Hispanics, disabled people. Who is he kidding?"

The remark came after a man with Asperger's sydrome asked Bush what he would do for disabled people.

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