Sentence:  There are some sharp and whipping lines and some hilariously funny situations - the best of the latter being a mass impromptu plunge into a <WSD>nightclub</WSD> tank where a `` mermaid '' is performing . 
Meaning of the word marked with <WSD> tags:  a spot that is open late at night and that provides entertainment (as singers or dancers) as well as dancing and food and drink