It means what the fuck or hell this is a more friendly and appropriate way of saying it for kids.
A sister and Her twin brother were walking in the park when suddenly they came across a decapitated fox , the twin sister then screamed out “what the jackdoodles“!

And out popped their older sister with the head of the fox laughing to her knock knock curly wurly shelf !
by Bogustim January 1, 2020
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