Pronounced Zee-nis like Xena.

A penis in it's prime. When a penis is fully erect and in it's peek physical condition. When it can not grow anymore and is challenging gravity it becomes a xenis.
To be legendary porn star you must be able to get a Xenis within 1 minute.
by J.N. Growling June 29, 2010
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Xeni is a sexy badass that likes black dicks but she’s very kind and always there for you if you need help even if it’s sick because she’s fantastic and also very sexy everytime someone see’s fall in love immediately because she’s hot
Xeni is the best of all
by ZIBRAxXENI November 22, 2021
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