Definition of swipple in US English:

swipple

noun

British
dialect
  • The swinging part of a flail.

    • ‘He swung a tremendous blow with an arm flung out like the swipple of a flail.’
    • ‘They showed their insouciance by sticking six-inch straws in their mouths and flicking them with the swipple at each pass.’

Origin

Late Middle English: probably based on the verb sweep.

Pronunciation

swipple

/ˈswipəl/