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A person acting like an animal/an idiot.
Person A: Have you seen my shirt?
Person B: I accidentally threw it away.
Person A: Haywan!!!
by Dyshoreh July 13, 2018
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An Arabic swear word meaning 'animal'.
pronounced (hayy waan)

It's not as extreme as a 'fuck you' in english. more like a 'you bastard'
Arab guy : *SPANK*
Arab girl : hey!! wtf did u spank me for??
Arab guy : u remind me of my sexy cousin.. *wink wink*
Arab girl : HAYWAN
by Nasrawi December 30, 2007
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