phonynym 

A phony name, a pseudonym.

Always use a phonynym when you use the Internet. You'll regret it if you don't.

phonynym by phonynym August 27, 2004

phononym 

any word that is composed of the alternate letters represented by the keys used to select the desired letters on a mobile phone keypad.

you type "pint" you get "shot" or "riot"

phononym by colin redfern December 30, 2004

phononym 

Words which can be spelled using the same combination of keys on the mobile (cell) phone.
HOME=GOOD=GONE etc.

Bond gone room!!! Attempted to write COME HOME SOON, but the phononyms stuffed it up again!

phononym by N[][]b3rat0r August 31, 2007