Phone sex. A.K.A. Telephonic coitus.
My girlfriend went away on a business trip, but before she left, she told me she wanted phex with me everynight while she was away.
by Neorocca January 19, 2009
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Pronounced ( fex ) :

A person who listens to Drum and Bass music or Darkcore and imagines fighting with swords and doing karate ; An individual who while listening to Drum and Bass or Darkcore either shadowboxes or performs pseudo katate moves ; An individual in a behavior to the rhythm of music involving martial arts moves and / or performing with weapons

Derived from "Aphex Twin", to notable behavior of fans acting out physically to their hit single "Come To Daddy", which has a combo DNB and Darkcore musical feel.
Look at this lunatic, he is such a PHEX. Who is he fighting anyway?
by MySONJoshua October 25, 2010
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Pulling a phex is usually when you get really angry and block all contact with the people who got you in this state even if they are your closest friends.
Leave me alone otherwise im Pulling a phex.
by DA ONLY ONE May 1, 2021
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