A poorly phrased or misspoken euphemism for comedic intent, or an unintended Freudian slip.
"Timmy is differently disabled" or "Susan has another bun in the uterus" are half-assed euphemisms.

A half-assed euphemism is a half-assed euphemism for a misspoken euphemism.
by Vizaeryon November 19, 2019
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