hyperlexical
A person of many words.
From the time she wakes up to the time she falls asleep, this hyperlexical word spigot is a wild woman to be sure!
Hyperlexical Generation Disorder
A potentially disabling psychological disorder on the autism spectrum that causes the sufferer to be unable to stem the powerful tide of words and phrases they generate almost solely for the purpose of submission to Urban Dictionary.
She could suddenly find herself, on any given day, almost entirely incapacitated by what she later generated a fitting term for which was Hyperlexical Generation Disorder.