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1.
(noun): One who takes delight and is skilled at constructing, writing or saying naughty phrases or dialogue.
That Gertrude is such a word perv. She is always saying naughty things like knob slobbing, gluteolacunosity or douche canoeing.
by The Emperss October 22, 2010
 
2.
noun. a person who likes creating new words and tweaking the english language.

verb. to create a new word or tweak it.
people have been wordperving for centuries, they just haven't always been aware of the glacial speed at which languages get tweaked. nevertheless, wordperving is a legitimate and useful activity.
by wordperve April 26, 2004