To entertain lavishly, especially with drinking and celebration; to carouse or enjoy festive merrymaking with friends.
From Middle English and Old English origins, possibly related to 'burly' or meanings around strength and celebration. This sense developed in Scottish and Northern English dialects.
There are actually two 'birles'—one Scottish word meaning to spin logs, and another meaning to party and celebrate. Language shows how the same sound evolved completely different meanings in different regions!
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