To let saliva run from the mouth carelessly or excessively; to drool.
From Middle Dutch or Low German 'slobberen,' possibly imitative of the sound of drooling. Related to Scandinavian words meaning 'to slaver' or 'to drool.'
Dogs slobber partly because they evolved to trust humans so completely that they don't bother controlling their mouths around us—it's a sign of domestication, showing that your dog's drool is actually a sign of deep evolutionary bonding.
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