This is a misspelling; the correct form is 'flipping,' which means turning something over quickly or making rapid flips.
Non-standard spelling of 'flipping,' the present participle of 'flip.' In British English, 'flipping' is also used as a mild euphemistic swear word.
British English speakers say 'flipping' as a substitute curse word the way Americans might say 'freaking,' showing how even spelling-error-adjacent words can have hidden cultural meanings.
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