Top Definition
When a couple has interchangeable phones, so you never know which one of them you are talking (texting) to. Telling people that one phone number is theirs and then switching phones with the other person so that no one ever knows how to get ahold of them. Often combined with textersonator tactics, making it nearly impossible to know who you are texting.
So, I thought I was texting Jim last night, but then Sally said it was her phone, and that Sally's phone number was now Jim's....I'm so confused, Jim's a cellphoney.
by Cassam September 05, 2010
Lying, or acting out of charater via text messaging
Dora: Rob said he was napping
Lilly: Really because he was talking to me like ten minutes ago...
Dora: Man, he is so Cell-phoney
by Justine_Hawley February 04, 2009

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