David Baddiel has told ITV News that David Cameron has not understood the wider context of the word "Yid".
Mr Cameron told the Jewish Chronicle that Spurs fans who use the term should not be prosecuted. But many find the term anti-Semitic and offensive.
The comedian told UK Editor Lucy Manning that the Prime Minister would not let another racist term "pass his lips":
Watch Lucy Manning's report on ITV News at 6.30pm
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David Cameron and Jeremy Corbyn have dramatically clashed in the House of Commons as a row over anti-Semitism in politics rumbles on.
A suicide prevention charity called for an end to the sale of "Peachy Head" shampoo, telling ITV News it is "distasteful and dangerous."
Khan said sorry for using the racial slur 'Uncle Toms' during a television interview in 2009.