How to say, "party pooper" in Spanish (Día 20)

The video tutorial introduces the Spanish phrase 'unagua fiestas', which translates literally to 'water party' but is used to describe someone who is a killjoy or party pooper. The instructor explains the meaning and provides examples of how to use the phrase in sentences, such as 'El es unagua fiestas' for 'He is a killjoy'.

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