Kamala Harris to Trump Jr.: 'You wouldn't know a joke if one raised you'

Sen. Kamala HarrisKamala Devi HarrisRepublicans wrestle with impeachment strategy Klobuchar takes shots at health and education plans supported by Sanders and Warren Kamala Harris to Trump Jr.: 'You wouldn't know a joke if one raised you' MORE (D-Calif.) hit back at Donald Trump Jr.Donald (Don) John TrumpWHCA calls on Trump to denounce video depicting him shooting media outlets Video of fake Trump shooting members of media shown at his Miami resort: report Louisiana's Democratic governor forced into runoff MORE late Friday after the president's son criticized her for laughing at her own joke.

"You wouldn’t know a joke if one raised you," the Democratic presidential candidate tweeted, apparently taking aim at President TrumpDonald John TrumpWHCA calls on Trump to denounce video depicting him shooting media outlets Video of fake Trump shooting members of media shown at his Miami resort: report Trump hits Fox News's Chris Wallace over Ukraine coverage MORE.

The younger Trump on Friday posted a video of Harris speaking and laughing.

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"Why is @KamalaHarris the only person that laughs at her jokes... always way to long and way too hard?" he wrote.

"The most disingenuous person in politics... after Hillary," he added, referring to his father's 2016 Democratic presidential rival Hillary ClintonHillary Diane Rodham ClintonVideo of fake Trump shooting members of media shown at his Miami resort: report Ronan Farrow exposes how the media protect the powerful Kamala Harris to Trump Jr.: 'You wouldn't know a joke if one raised you' MORE.

Harris, one of more than a dozen people running for the 2020 Democratic presidential nomination, frequently bashes the president and his policies while on the campaign trail.

Earlier this week, she said he should be in "timeout" from appointing Supreme Court nominees while undergoing an impeachment inquiry.  

Harris is slated to appear alongside 11 other candidates in next week's Democratic debate.