a knee-slapper

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A hilarious joke, especially one that evokes loud and prolonged laughter. My uncle told me a real knee-slapper the other day! Do you want to hear it?

Name	Pronounced	Usage
Hayley	['heili]
Slavka	-	Slovene, Croatian
Matthia	-	Old Church Slavic
Ereshkigal	ay-RESH-kee-gahl, er-esh-KIG-ahl	Near Eastern Mythology
AzİZ	-	Turkish
Flannery	FLAN-ə-ree	English (Rare)