Chiefly Scottish/Northern English dialect: the act of resting, lounging, or lying about; idling or taking it easy.
Variant or dialectal form related to 'downlie' or 'lying down,' with '-igging' as a dialectal gerund/present participle suffix used in Scottish and Northern English.
Different regions of English speakers developed unique words for common actions—'downligging' is chiefly Scottish, showing how English fractured into regional varieties with their own vocabulary!
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