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Use "prater" in a sentence
"This young woman might talk politics, thought her new friend; no male man would call her prater, while she bore herself with that air."
"The Editorial Page is consistently an embarrassment, the Opinion Page hasn't updated their contributor rolodex in decades and the paper carries a gaggle of inside-the-beltway dilettantes who almost never add anything of substance to the debate (you know: Broder, Milbank, Kurtz and the other regurgitators of cocktail party prater on the WP payroll)."
"The etymology of 'prat' is unclear, but I think it relates to prate 'chatter', which had such derivatives as prater and prattle."