Top Definition
An arthes is an adult who is annoying, someone who repeats the same joke over and over. Someone who bothers you, who wont leave you alone.

Pronounced are-thez
That joke was funny the first time, your so arthes.

Seriously,!! your being an arthes. LEAVE ME ALONE!!!

My four year old isnt this annoying.
by opie677 May 28, 2008

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