Possible Clues:

• Some literary flubs
• A posh term for linguistic faux pas?
• Some laughable language mistakes - as found literally (in consecutive letters) in 24-, 37-, 55-, 75- and 92-Across
• Might such figures cause poets harm?
• Linguistic inconsistencies to hamper and harm poet?
• Trash poem, possibly, for incongruous figures of speech
• A posh term for such quaint expressions?
• Literary flubs
• Tom Sharpe's odd turns of phrase?
• ...talking in circles, Betty Crocker ___