Japanese

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For pronunciation and definitions of ズルズル – see the following entry.
ずるずる
[adjective] dragging on
[adjective] slithering
[adverb] manner of dragging on
[adverb] slitheringly
[adverb] slurpingly drinking, such as ramen
(This term, ズルズル (zuruzuru), is the katakana spelling of the above term.)