To drip or let liquid fall onto a bed, typically by accident.
From 'be-' prefix combined with 'drip' (from Old English 'drypan'). The 'be-' prefix adds the sense of thoroughly affecting or covering something.
This is a delightfully specific word—it probably originated in households where spilled tea, water, or other liquids on beds were common enough problems to warrant their own verb, reflecting pre-laundry-machine realities.
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