Superlative form of 'cuddly'; the most soft, warm, and pleasant to cuddle or embrace.
From 'cuddly' with the superlative suffix '-est' meaning the most, creating the ultimate expression of cuddliness.
There's actually serious psychology behind why we call things 'cuddliest'—babies with rounded features and big eyes trigger our nurturing instincts, and we rate them highest.
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